The environment issues we should be hearing about at this election

The forthcoming Australian election will be a critical one for the environment. The most urgent issue is climate change. We are already seeing the social, economic and environmental impacts of about one degree increase in average temperature. The possible impacts of two degrees are frightening enough…

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Now is the time to talk seriously about environment issues, but how likely is it to happen? AAP Image/Penny Bradfield

The forthcoming Australian election will be a critical one for the environment.

The most urgent issue is climate change. We are already seeing the social, economic and environmental impacts of about one degree increase in average temperature. The possible impacts of two degrees are frightening enough, but we face the possibility of even greater increases if the world fails to take concerted action.

As the worst polluter per person in the developed world and a major exporter of fossil fuels, we have a critical responsibility.

It is crucial for the next government to take considered advice from the Climate Commission on the scientific basis for our reduction targets. While it is a step in the right direction to have a modest charge on polluters, the initial level is too small to make the sort of difference that is needed by itself. There are too may concessions to polluters, too many exemptions from the charge.

We should be urgently phasing out all subsidies of fossil fuel supply and use. These don’t even make economic sense and are environmentally disastrous.

We need concerted programs to promote renewables and to improve the efficiency of turning energy into the goods and services we use. The Howard government’s National Framework for Energy Efficiency showed we could cut pollution by 30% using measures that pay for themselves within four years.

This is not low-hanging fruit, it is fruit lying on the ground. These changes provide economic benefits as well as slowing climate change.

Urgent attention needs to be given to urban transport. The carbon charge does not apply to transport fuels, and successive governments have failed to modernise public transport, so more and more commuters are driving longer distances in large and inefficient cars. Even the US government now has serious targets for improving vehicle efficiency. We should be moving rapidly to reflect world’s best practice, rather than continuing to be a dumping ground for out-of-date technology.

Recognising that we now contribute more to the problem of climate change through our fossil fuel exports than all domestic energy use put together, we have a responsibility to take action. It is just irresponsible to be encouraging expansion of fossil fuel exports for short-term economic gain, especially as most of the companies benefiting from that expansion are not even Australian.

There are other serious environmental issues that should be addressed by the next government – and considered by voters when we help to choose that government.

A tentative start has been made to restore the health of our greatest river system, the Murray-Darling, but the momentum of reform needs to be continued and accelerated. The Tasmanian forest agreement is still not secure, the Great Barrier Reef is under increasing pressure both from activities onshore in Queensland and frightening numbers of freight vessels, and we are still losing our unique biodiversity.

We hear ridiculous calls to wind back “green tape”, dishonestly suggesting that over-zealous environmental regulation is impeding economic development. That campaign has led to some state governments doing a Great Leap Backwards, as when Queensland moved to scrap Wild Rivers protection in the Channel country and Victoria tried to let cattle back into the Alpine national park. These examples show how critical it is for the Commonwealth government to maintain its capacity and political will to hold short-sighted state governments to account.

While it is obviously important for the Australian government to have responsible environmental policies, it is even more important to address the driving forces that are causing environmental degradation. The first independent national report on the state of the environment stated that population growth and lifestyle choices, including increasing consumption, are behind the environmental problems.

We urgently need a national government that has a vision for a future sustainable Australia, rather than the irresponsible headlong pursuit of growth. We know that growth cannot continue for ever in a finite system.

We should have a national conversation now about the trade-off between population and quality of life. Survey after survey shows that the community understand we are losing socially and environmentally through the short-sighted obsession with growth. We should be aiming to stabilise the population by reducing immigration levels, as well as introducing policies to limit consumption to levels that can be maintained.

The current approach is funding our material consumption by destroying our natural resources, effectively stealing from our own children. That is morally indefensible and doesn’t even make economic sense. We need a government that will act responsibly to secure our future!

These are the critical issues which will determine our future, but most political candidates are either blissfully unaware of them or totally reluctant to discuss them. The 2010 election was dominated by personality politics, economic trivia and mud-slinging. We are entitled to demand more from those who aspire to lead us.

Join the conversation

125 Comments sorted by

  1. STABLE POPULATION PARTY

    Written & authorised by William Bourke, Sydney

    "We should have a national conversation now about the trade-off between population and quality of life. Survey after survey shows that the community understand we are losing socially and environmentally through the short-sighted obsession with growth. We should be aiming to stabilise the population by reducing immigration levels, as well as introducing policies to limit consumption to levels that can be maintained."

    It's pleasing to see eminent Australians like Ian Lowe addressing the zoo in the room.

    Action on per capita GHG emissions, consumption, etc without also addressing population numbers here and abroad is akin to painting the Titanic green.

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    1. Andrew Vincent

      Marketing . Communications . Multimedia

      In reply to STABLE POPULATION PARTY

      Limiting immigration has NOTHING to do with global GHG levels. If they're increasing emissions here, they are decreasing them somewhere else.

      Bringing immigration levels into this discussion is xenophobia pure and simple. If you wish to not be accused of this you would do well not to confuse the 2 totally separate issues.

      Excuse the overreaction but I get my back up when I hear racism dressed up as environmentalism.

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    2. Ben Neill

      Mobile/Web Applications Developer

      In reply to Andrew Vincent

      As long as it isn't reducing our intake of those in need, i.e. asylum seekers, it makes sense to me.

      I would like to see incentives to discourage larger families as well - nothing like china does, something along the lines of financial incentives such as tax breaks.

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    3. Wade Macdonald

      Technician

      In reply to Andrew Vincent

      Quote..."Excuse the overreaction but I get my back up when I hear racism dressed up as environmentalism."

      Clutching at straws IMHO. Controlling population growth through sound immigration policy (even if that meant zero immigration) in a global population of 7 billion is not racism but sound environmentalism.

      We all know the biggest driver of biodiversity loss is the demand for resources which is required for consumption rich western and developing societies. Shifting more people into western cultures is a big factor especially when you consider our pollution per head of population here in OZ.

      The two issues are linked and to jump to rasist assumptions based on what was written here is hyperbowl.

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    4. James Jenkin

      EFL Teacher Trainer

      In reply to Wade Macdonald

      Hi Wade

      Are you suggesting Andrew's point - 'If they're increasing emissions here, they are decreasing them somewhere else' - doesn't apply because people immigrating to Australia may enjoy a higher standard of living?

      So, in other words, it's a good thing if poor people remain poor, in order to mitigate climate change?

      Cheers

      James

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    5. Wade Macdonald

      Technician

      In reply to James Jenkin

      Not at all James but we produce more pollution per head of population because of our city designs/ large land size and ability to afford resources other nations cannot afford.

      This is a fact however unfortunate...not elitism or racism.

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    6. Chris Owens

      Professional

      In reply to Andrew Vincent

      Australia's economy is a ponzi system where we need ever more consuming units to prop up the existing. No regard to carrying capacity of the land, biodiversity losses, transport gridlock, infrastructure capacity, peak oil, looming 4c of climate change, deteriorating quality of life for current residents or any of the other pressing issues mentioned.

      All aboard the overloaded lifeboat just to ensure we all sink together.

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    7. brent hoare

      logged in via Twitter

      In reply to STABLE POPULATION PARTY

      Congratulations Prof Ian on another excellent and important contribution to the national debate. While I agree with all you say, more fundamentally I think this election must be about ensuring Australians understand the importance of electing a Government that recognises, listens to and responds to science. All of the tremendously important and urgent issues you raise stem from this.

      The all too real prospect of installing a Government in Canberra populated by people blinded by arrogance and…

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    8. Wade Macdonald

      Technician

      In reply to brent hoare

      Quote...."One thing is certain; if we fail, the immigration pressures we will face from a human tide of environmental refugees will make us all wish for a return to the current asylum seeker debate."

      If the planet did warm to such an extent, given Australia's climate and landscape, I doubt refugees will be flowing into OZ to escape the heat or find water.

      Antarctica perhaps?

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    9. John Phillip

      John Phillip is a Friend of The Conversation.

      Grumpy Old Man

      In reply to brent hoare

      Brent :
      "The all too real prospect of installing a Government in Canberra populated by people blinded by arrogance and blinkered by ideology into thinking they know better than the global scientific community fills me with dread."
      I wholeheartedly agree. If the Greens get the balance of power again, we are royally screwed.

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    10. John Newton

      Author Journalist

      In reply to Chris Owens

      Chris - and that goes equally for the developed and rapidly developing (cf China) world. The economies are constructed around increasing consumption, decreasing standard of living for the 99% and increasing wealth for the 1%.

      But Professor Lowe, as worthy as your list is you must be dreaming. In his first speech of the election at Auburn Abbott gambled on the stupidity of the masses - and won, according to the latest polls.

      We are in for some dark times for the environment: "I want to see the Sydney skyline full of cranes" (TA)

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    11. STABLE POPULATION PARTY

      Written & authorised by William Bourke, Sydney

      In reply to Ben Neill

      @Ben, agreed. Maintain support for the most needy (refugees), and also tackle native fertility, given that births remain double deaths in Australia.
      Our first key policy on population is as follows:
      'Limit the baby bonus and paid parental leave to each woman's first two children.'
      We believe this will help all Australians to understand that everyone has a role in tackling the multiplier of all environmental impact - population.
      It is particularly important to show global leadership and stabilise our population, given our relatively high per capita impact in terms of GHG emissions, consumption, etc.

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    12. STABLE POPULATION PARTY

      Written & authorised by William Bourke, Sydney

      In reply to brent hoare

      I don't think anyone is that saying stabilising population will fix climate change - far from it. It may have a century or two ago but it's way too late for that now.
      But human population growth, of 2B to 7B in the lifetime of Sir David Attenborough, has been a/the huge factor in the rapid depletion/extraction of fossil fuels. #jointhedots

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    13. STABLE POPULATION PARTY

      Written & authorised by William Bourke, Sydney

      In reply to John Phillip

      @John, we are quite used to people attempting to stifle debate by injecting irrelevant distractions!

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    14. brent hoare

      logged in via Twitter

      In reply to John Phillip

      Yes, like the imposition of the carbon price really has brought an end to civilisation as we knew it prior to last July? But hang on, last time I checked it was not the Greens running around the countryside dog-whistling "climate change is crap" to grumpy old folks. Neither have I seen the literature swelling with support for 'direct action' as an imperative policy response to restrain greenhouse gas emissions, but perhaps you know better?

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    15. John Phillip

      John Phillip is a Friend of The Conversation.

      Grumpy Old Man

      In reply to brent hoare

      Brent, my point was that we introduced another tax for NO benefit. Whatever we do in this country in regards to climate change will have ZERO net effect. William Bourke's position on population growth is the only way that we can, globally,make meaningful changes to polution and resource depletion. In population terms and overall impact, we are but a drop in the ocean. (FWIW I didnt even know there was a Stable Population Party before today)

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    16. Ben Neill

      Mobile/Web Applications Developer

      In reply to John Phillip

      @John "NO benefit" According to whom...

      population growth is only effective if pollution and resource use per person is also curbed.

      For Australia, as you have pointed out, the actual pollution curbed will be pretty small. The payoffs will come when other more populous countries start following our example. For them, seeing some 'pilot schemes' actually work without economic anarchy is going to be key to them adopting similar schemes.

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    17. Eric Ireland

      logged in via Facebook

      In reply to Wade Macdonald

      So Wade, taking this argument to its logical conclusion, perhaps we should encourage Australians to emigrate?

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    18. Chris Watson

      logged in via Facebook

      In reply to STABLE POPULATION PARTY

      For 36 years, Australia's baby booms have been lower than replacement level, that is, fewer than two children per woman. It is not necessary to limit local reproduction any further, because the death rate will catch up. Restricting the baby bonus to the first and second children is still a good idea.

      Immigration is the problem in the south west of WA. Our water now comes from desalination plants running on fossil fuel energy. Every extra person coming to Perth increases Australia's carbon footprint because everyone needs to drink and wash.

      Desalination is an expensive water supply. Our water bills are due to rise next year because of the influx of t'othersiders and foreigners.

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    19. Chris Watson

      logged in via Facebook

      In reply to Andrew Vincent

      To oppose Islamic immigration is not racist because Islam is not a race. The word "xenophobia" is a derogatory term implying that it is irrational to fear the foreign. Read the Qur'an from the point of view of a woman, before you decide that it is irrational to want to minimise the number of Muslim voters in Australia.

      The Qur'an decrees that the legal testimony of a woman is worth half that of a man. How can any woman in Australia have confidence in the protection of our laws if there can be even one Muslim on a jury?

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    20. Geoffrey Harold Sherrington

      Boss

      In reply to Eric Ireland

      Eric Ireland, Now that we are surpassing Great Britain in many fields of performance, perhaps we can redress an old evil. We can round up the dissidents and activists now living in Australia and transport them back to England, to stay on old ship hulks in the Thames, Portsmouth, etc..
      The damage done by these people is much more than the theft of a loaf of bread.
      In the first place, I speak of those who seek to disrupt a reasonably good economy by messing around with our systems of electricity…

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    21. Geoffrey Harold Sherrington

      Boss

      In reply to John Newton

      To which I would add Ian Lowe's words from above (I mean above this paragraph)
      "The 2010 election was dominated by personality politics, economic trivia and mud-slinging."

      Ian, why then are you using similar tactics on this blog? Did you like those methods?

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  2. Theo Pertsinidis

    Theo Pertsinidis is a Friend of The Conversation.

    ALP voter

    You'd think employers would embrace a system of less hours, better pay because people are producing the goods and services in less time because of technology and automation.

    I would like to see a policy... if an employee is made reduntant because of technology and automation, that worker is still paid a sum of money the machine is making for the employer. Call it a lifetime commission, royalties, whatever.

    The idea of capitalism is to create jobs and increase profit. However these two concepts…

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    1. Wade Macdonald

      Technician

      In reply to Theo Pertsinidis

      Quote...."I would like to see a policy... if an employee is made reduntant because of technology and automation, that worker is still paid a sum of money the machine is making for the employer. Call it a lifetime commission, royalties, whatever."

      A truck load of idealism there.

      Quote...."Both these policies, ALP Platform and United Nations Environment Programme have a Headline and Content... bank account with money.

      I find Liberal policies have a Headline and No Content... bank account with…

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    2. Wade Macdonald

      Technician

      In reply to Theo Pertsinidis

      As the UN Vice Chair of Biodiversity once stated....."conservation initiatives ignore the real drivers of biodiversity loss and the resource demands of the rich world. Instead they criminalise local communities and often promote violence against them."

      While many have good intentions....the process of environmental change all too often ends up in such situations as stated by the vice chair above.

      Carefull what you wish for...

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    3. Neville Mattick

      Grazier: Biodiversity is the key.

      In reply to Wade Macdonald

      Hmm, if the anglers want to be "environmentally aware" how about coming inland and restoring waterways by removing Gambusia and Carp, leave the fisheries to have a rest for a while!

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    4. Neville Mattick

      Grazier: Biodiversity is the key.

      In reply to Theo Pertsinidis

      What an excellent article, thank you Ian!

      Theo, I agree, the Liberal time line might stretch to that of many voters' about 1,200 days, beyond that, "we'll make money out something another way after that" what does pay is the Environment, look at the shut down of green tech' in NSW with the O'Farrell Government on Wind Energy, lead by Victoria.

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    5. Wade Macdonald

      Technician

      In reply to Neville Mattick

      Many of us already do remove introduced species indivisually and through organised events. Many of us are involved in habitat regeneration programs along our local river banks etc. Many of us would like to do more but too much money goes to ENGO's to fuel uninformed propoganda.

      While overseas stupidity has generated the doom and gloom scenarios painted by ENGO's on fisheries matters, our fisheries are by and large sustainably managed. Where are the recreational fishers (who often are the first to call for regulation of their own sector or others) not concerned about the sustainability of their local environment?

      Care to provide any real argument?

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    6. Gerard Dean

      Managing Director

      In reply to Theo Pertsinidis

      Mr Pertsinidis

      You commented, "I would like to see a policy... if an employee is made reduntant because of technology and automation, that worker is still paid a sum of money the machine is making for the employer. Call it a lifetime commission, royalties, whatever."

      As an employer, I am wondering what planet you are currently living on? Australian manufacturing is on the ropes. The high A$ and economic output from the economic tsunami has closed 3 out of 4 toolmaking and heavy engineering companies.

      Those still running are desperately trying to reduce costs by introducing higher levels of automation to reduce costs and survive.

      Your mad idea would completely kill all forms of investment in Australian manufacturing. It would break companies, destroy jobs and ruin employers and employees lives.

      Gerard Dean

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    7. Wade Macdonald

      Technician

      In reply to Gerard Dean

      Well said Gerard,

      Many tool makers conceed that there has been no money in the sector for 10 years now. Perhaps we should start the compensation starting back to 2003????

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    8. Theo Pertsinidis

      Theo Pertsinidis is a Friend of The Conversation.

      ALP voter

      In reply to Theo Pertsinidis

      Attention Wade Macdonald and Gerard Deane

      Re: Many tool makers conceed that there has been no money in the sector for 10 years now. Perhaps we should start the compensation starting back to 2003.

      There is no harm trying. We live in hope.

      Hope gives us something to look forward to.

      Hope keeps our hearts beating.

      A good place to start maybe to see your union delegate...
      if not see Unions Australia http://www.unionsaustralia.com.au

      Unions only ask for paid membership if you are a…

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    9. Theo Pertsinidis

      Theo Pertsinidis is a Friend of The Conversation.

      ALP voter

      In reply to Theo Pertsinidis

      Imagine an economy in which today’s goods are tomorrow’s resources, forming a virtuous cycle that fosters prosperity in a world of finite resources.

      As part of a strategy for Europe 2020, the European Commission has chosen to respond to these challenges by moving to a more restorative economic system that drives substantial and lasting improvements of our resource productivity.

      The Green Economy is for renewable clean energy and a sustainable ecological life.

      http://www.unep.org/greeneconomy/GreenEconomyReport/tabid/29846/language/en-US/Default.aspx

      The Circular Economy is for improvements in material selection and product design and extending a products life... household appliances and business machinery.

      http://en.wikipedia.org/wiki/Circular_economy

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  3. Crispin Bennett

    N/A

    Ian, you're right on the substantive issues, but wrong on the politics. Corrections in caps below (for emphasis as this forum doesn't appear to support formatting. Shouting not intended):

    "The current approach is funding our material consumption by destroying our natural resources, effectively stealing from our own children. That is morally indefensible and doesn’t even make economic sense. We need a CITIZENRY that will act responsibly to secure our future!
    These are the critical issues which…

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  4. Dale Bloom

    Analyst

    Excellent article.

    Our coal exports represent a tiny fraction of the amount of coal being consumed in the world, (eg. Australia’s coal exports are just 10% of China’s total coal consumption, and many other countries consume coal also), but coal consumption is related to population growth and material consumption.

    The long term challenge would be to reduce our population (by perhaps 50% or more), while providing a high standard of living that is not dependant on the extraction or depletion of natural resources.

    Much like doing the opposite to what the country is doing now.

    Unfortunately, when both major political parties have done little except carry out “personality politics, economic trivia and mud-slinging” for some years now, I can’t foresee much change in the future.

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  5. Gerard Dean

    Managing Director

    My dear Professor Lowe,

    You said, ' It is crucial for the next government to take considered advice from the Climate Commission on the scientific basis for our reduction targets.'

    Hmmm, I thought, I wonder what advice the commission will have for our next government. I clicked on the link and who did I see? Professor Tim Flannery who predicted it our dams would never fill again and Professor Will Steffan who consumes at least 15% of the earth's known reserves of JetA1 fuel to fly around the…

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  6. Gerard Dean

    Managing Director

    Mr dear Professor Lowe,

    Can you reconcile the following contradiction in your article please.

    Statement 1. "The first independent national report on the state of the environment stated that population growth and lifestyle choices, including increasing consumption, are behind the environmental problems."

    Statement 2. "Survey after survey shows that the community understand we are losing socially and environmentally through the short-sighted obsession with growth"

    It appears to me that…

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    1. John Phillip

      John Phillip is a Friend of The Conversation.

      Grumpy Old Man

      In reply to Gerard Dean

      Gerard, perhaps most voters are aware that Australia churns out about 1.5% of global greenhouse emissions ( and we are being taxed in an attempt to reduce that by 5% - an overall reduction of 0.00075%) whereas according to Wikipedia, the commercial airline industry produces about 3% of global emmissions. The point: what we do in this country in regards to ghgs is absolutely irrelevant.

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    2. Suzy Gneist

      logged in via Facebook

      In reply to Gerard Dean

      Gerard, I hope you have a sense of humour, since your repeated "Kerosene" (Jet A1) argument has earned you a nick(last)name at my place :)

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    3. Chris Owens

      Professional

      In reply to John Phillip

      And what about per capita John? We are the worst in the world. Why should others do anything if the worst in the world won't?

      My wage doesn't contribute much to the total ATO take. Does that mean I shouldn't have to pay?

      I hope I care about my kids future when I get old.

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    4. Ben Neill

      Mobile/Web Applications Developer

      In reply to Chris Owens

      Indeed Chris, it seems a lot of this is about setting a good example as well as proving to the rest of the world it can work. We can wail that it makes bugger all difference and sit on our hands claiming it is all useless but that is a complete copout.

      The payoff for us may well be we become the moral, as well as the technological leader in carbon reduction.
      The problem we face is that reducing coal reliance isn't feasible without offering a way to do that - whether that is via new power sources such as nuclear/renewables or efficiencies. If we can be the leader in these fields the payoff for Australia could be massive and will give us something to rely on other than digging holes in the ground.

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    5. John Phillip

      John Phillip is a Friend of The Conversation.

      Grumpy Old Man

      In reply to Chris Owens

      Chris, if you want to donate your money to a pointless exercise for a 'feel good' moment, I would support you unconditionally. But, and it's a big but, please dont a) kid yourself that it's going to make one iota of difference anywhere on the planet and b) dont think it's ok to force everyone else to go along with you.

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    6. Chris Owens

      Professional

      In reply to John Phillip

      John, I agree, sometime I feel my taxes are a pointless exercise. But then I think - I'm part of a society, best do my bit.

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  7. Jenny Goldie

    editor

    An excellent article thanks Ian and a real roadmap for the country. Just wish the two major parties would embrace what you have written. Current population growth in Australia is madness (1.6 per cent and nearly 360,000 annually). It cannot even be justified in employment terms. Professor Bob Birrell and Ernest Healy from Monash have just issued a paper saying we're only getting employment growth of 100,000 annually now yet in the past two years that equals the number of new migrants who have got jobs. This has been at the expense of incumbent Australians (born here or who arrived before 2011) particularly the young. Youth unemployment is 42 per cent in North Adelaide and nearly as bad in the western suburbs of Sydney and Melbourne. Immigration must be cut. Population growth must be cut. Coal exports must be cut and indeed phased out altogether.

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    1. Crispin Bennett

      N/A

      In reply to Jenny Goldie

      If the "two major parties" endorsed any of this, the NP would divorce from the L, go national, and win a landslide.

      The fact is, the Australian population has for years had the option of taking a responsible approach, and roundly rejects it.

      The population's the problem, not the proffered policies. There's an astonishing air of unreality about discussions like this which ignore the most basic logic of our situation: in a democracy you have to persuade the voters; Australian voters are not going to be persuaded in any reasonable timeframe: so our system is simply not capable of coping with global warming.

      What next? A subset of educated middle-class will entertain itself discussing policy, the mass of the voters will ignore it all, the fossil fuel mafia will continue to enrich themselves from investing in future suffering of millions.

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  8. Jess Mansfield

    logged in via Facebook

    Given that Australia's current renewable energy consumption sits around 5%, and the IEA's 2009 estimation of renewable energy constituting 13.1% of global primary energy supply, I'm left wondering to what extent can we rely on the timely implementation of renewable energy infrastructure. Even if there were the miraculous mustering of political will on a global scale, my concern is the bind of building infrastructure as energy prices rise exponentially with the increasing deficit between crude oil production/consumption. Especially if we consider issues within the burgeoning sector such as energy storage and transmission, or broader issues of transnational supply chains and global divisions of labour.

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  9. Roger Carter

    logged in via Facebook

    Sigh. Unfortunately the climate change horse has already bolted and even then our political system makes it impossible to do anything about it. Only a repressive dictatorship (which none of us wants) would have the political will and clout to do even a fraction of what it will now take to do what it takes to fix it. Our voter will never stand for it. The combination of multiple independent countries with their own agendas, corruption and economic greed along with our amazing inability to plan for a few years into the future...well its a perfect storm of unresolvable problems. I really don't think I am being unduly pessimistic in believing that we will not escape this. Our environment , our climate, our security and our future peace... they're toast (wet toast maybe, with alternating fire and flood events). I just feel sorry for my children really that I could not bequeath them an environment as nice as the one I grew up in.

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    1. brent hoare

      logged in via Twitter

      In reply to Roger Carter

      It is incontrovertible that our collective failure so far to agree on effective measures to reduce emissions has locked in a certain amount of radiative forcing. Consequences will continue to be felt for a long time to come. It won't be easy to achieve what the science is telling us must be done to avoid a climate catastrophe, but choices we make now will make a difference to the world our kids grow up in.

      Ross Garnaut summed it up nicely in 2006 when he described the difficulty of reaching international…

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    2. Roger Carter

      logged in via Facebook

      In reply to brent hoare

      Thank you for your thoughtful reply. I agree that we cannot simply give up, because as you say, that's not an option. The possible futures are on a sliding scale, from absolutely catastrophic if we keep on the way we have; all the way down to something stable that will enable us to live and even prosper in a changed world... well, whatever we humans do from now on will decide where we land on that scale. If only more of the rich and powerful would actually listen to and act on the science. We certainly need a paradigm shift among those with true influence (not just scientists and not just politicians).

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  10. Dave McRae

    logged in via Twitter

    Thanks Prof Lowe.

    I think you're spot on regarding this being the most important issue confronting us that we need to deal with now.

    I am very optimistic.

    I don't think economic growth or, as other commentators are worried about, population are anything to worry about. Following along from the Kaya Equation - we can see that if emissions per unit of economic activity E/GDP was reduced to 0 or negative then emissions become independent of economic growth.

    Similarly with population, expressed…

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    1. Crispin Bennett

      N/A

      In reply to Dave McRae

      @Dave: note though that Werner's paper isn't suggesting that mild middle-class ABC-friendly chat is what's needed, but rather:

      "Environmental direct action, resistance taken from outside the dominant culture, as in protests, blockades and sabotage by indigenous peoples, workers, anarchists and other activist groups,"

      Yes, exactly: what's hampering the Japanese whaling efforts are Sea Shepard's activities, not UN treaties and unthreatening parliamentary activities.

      If activists could make fossil fuel production and use similarly unpleasant and unprofitable, there might be a chance (liberal democracy, with its corporate-tamed citizenry, obviously offers none). But targeting the activities of hundreds of corporations worldwide would be activism on an unprecedented scale. It's hardly likely enough to justify your optimism.

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    2. Alice Kelly

      sole parent

      In reply to Crispin Bennett

      Agree, agree, agree C.P, as in current CSG protests. With people from all political demographics, and, shared green concerns. ( It does concern me when grumpy old men confuse the term and see it as A green, or greenie. ) One I know, recently told me about his fear of Anarchists. I think lots of normal people can become way more of a threat, if fed-up enough than a paltry anarchist. But when will it start, can't wait.

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    3. Dave McRae

      logged in via Twitter

      In reply to Crispin Bennett

      I hear you Crispin - I did like both Peter Haff's and Brad Werner's talks - but I do hope they're wrong .. and yeah hope is all I've got .. and then I hope resistance kicks in, on equality and environment.

      My techno optimism hinges on such things as Moore's Law as applied to Solar power - at current rates it should be cheaper than coal, even subsidized coal (in both dollar sense and in negative externalities terms), by 2017-8. The coal power contribution to pollution I expect to collapse very rapidly after that. I hoping other techs will soon be cheaper than other polluting sources.

      Failing that, yes resistance is the only other option. But I suspect that won't emerge until many more millions are suffering and westerners are suffering and western governments run out of resources to adapt adequately.

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    4. Georgina Byrne

      Farmer

      In reply to Crispin Bennett

      Sounds good to me (a grumpy old woman). .AVAAZ has had some affect in forcing change as have the combined forces that called a halt to the ghastly super trawler...if similar pressure could be brought to bear on coal/CSG etc we might get somewhere. Lock The Gate is tracking quite well and some poles are doing their bit...mind you Tony Windsor won't have traction any more once old lizard tongue and his merry band get in...hard to grow trees for the "direct action plan" when it's too hot/dry/flooded/burning etc.

      Ian Lowe is spot on as usual but getting enough people away from their usual entertainments to expend a brain cell on the future beyond next week is the problem.

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    5. Geoffrey Harold Sherrington

      Boss

      In reply to Crispin Bennett

      Crispin,
      Not so long ago people like Werner would be locked up for inciting violence and insurrection.
      Now we just laugh at you and your cowboy cap guns.
      That's more effective for reduction of recidivism, I suggest.

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  11. robin linke

    stamp dealer

    I read the article by Professor Ian Lowe with increasing disbelief.
    Anything Australia does to reduce its carbon emissions is of no consequence. China's increase in emissions in one year excedes our total annual emissions, let alone those of India and a dozen other major economies.
    Our economy is based mainly on coal for energy and export income. Our energy production would be crippled unless alternative carbon free base load power sources existed. In fact they do, namely Nuclear & Hydro yet…

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    1. Suzy Gneist

      logged in via Facebook

      In reply to robin linke

      I find your reasoning misleading.
      Neither hydro nor nuclear are as clear cut and beneficial as you seem to think.
      1. Australia/Chindia comparison: Because my neighbour puts his sewerage straight into the river, so should I - since he has a family of 6 and I'm only one person, my sewerage does not affect the river anywhere near as bad... Does this make any sense? No, the river is unusable by all and probably dying.
      2. 3 Gorges Dam: The lifespan of this impressive engineering feat is cut short as…

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    2. robin linke

      stamp dealer

      In reply to Suzy Gneist

      Suzy, I am delighted with your answer because it is so negative about base load power sources and fails completely to give examples of where wind and solar actually provide base load power......after all you have the whole planet to find examples.
      Your reference to polution in China & India is correct which means that nothing we do will make the slightest difference to carbon emissions.
      There are hydroelectric dams and nuclear power stations all over Europe. They would not be there if silting…

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    3. Suzy Gneist

      logged in via Facebook

      In reply to robin linke

      I really don't get your reasoning:
      Why would dams not be there if silting or natural flow for that matter else caused major problems? Problems are often ignored.
      Why would carbon pollution impact on decisions to build past nuclear plants? Carbon has only recently been identified as a global issue and it isn't included in most industries impact/cost calculations.
      Why compare nuclear to fossil fuel? If we look for low carbon, other options are even better and more environmentally sound.
      "There…

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    4. Suzy Gneist

      logged in via Facebook

      In reply to robin linke

      After reflecting, I admit I don't know how you have construed that my comment was about base load power... - negatively or otherwise.
      I was merely pointing to inconsistencies in your prior reasoning.
      Thank you for stating that you believe nothing 'we' (meaning 'you') do makes any difference, because it clarifies that we differ since I believe everything I do makes a difference - however small it may be.

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    5. Geoffrey Harold Sherrington

      Boss

      In reply to Suzy Gneist

      Suzy, Thank you.
      Nice to read some comment with thought behind it. What I write next is not personal but philosophical and it's an odd mixture of a number of concepts raised above. Where to start.

      You have a baseload power supply like a normal nuke. You have to add capacity because of peak. You decide to add windmills. The windmills are dispersed and they require more transmission lines. With multiple inputs into these lines, and sudden changes in output, you have a challenging time managing…

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  12. Berthold Klein

    Civil-Environmental engineer

    I realize that many in Austria have their heads buried in the sand,but there is no creditable experiment that proves that the "greenhouse gas effect" exists. The web-site controlled by John Cook -Skeptical junk Science is worshiped by many. The problem is they continue to post fairy tales and lies.
    Mann-made global warming/climate change is a total political hoax.
    The concept of a "Carbon tax" is a Ponzi scam, There is no creditable experiment that shows that reducing the CO2 will reduce the…

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    1. Ed Brackenreg

      Airline pilot

      In reply to Berthold Klein

      The 2nd Law of Thermodynamics says that any spontaneous event causes entropy to increase. This Law has the effect that an isolated system must eventually achieve a uniform internal temperature. It also means that heat cannot flow from a cold object to a hot object unless some work is input to the system and also that no process can obtain mechanical effort by cooling some part of the system below the temperature of the coldest surrounding environment. The second law means that no heat engine can…

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    2. Berthold Klein

      Civil-Environmental engineer

      In reply to Ed Brackenreg

      Ed Brackenreg: you are wrong to several scientific issues. Lets start with your little box experiment. This experiment is just another example of "confined space heating" aka the true greenhouse effect. This is not proof of the "greenhouse gas effect"
      The first experiment to prove that the "greenhouse effect" was confined space heating was done by Professor Robert W. Wood in 1909.
      Now lets go to your ignorance about Venus being an example of the “greenhouse gas effect” , I will find my article…

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    3. Ed Brackenreg

      Airline pilot

      In reply to Berthold Klein

      Dear Bernholt. Thank you so much for putting me in company with Carl Sagan and Stephen Hawking. These two gentlemen are giants in the world of science, and I’m quite sure neither of them have profited from the pervasive global conspiracy you believe is victimising the innocent. Again, while you purport to present evidence of this enormous conspiracy, I fail to see any motivation for such a hoax. Sure, climate scientists may be able to frighten governments into giving them grants, but that money would…

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    4. robin linke

      stamp dealer

      In reply to Ed Brackenreg

      Ed, I will use your reply to Berthold Klein to ask a few questions to those who believe that man made carbon emissions are causing climate change, the results of which are likely to lead to catastrophic consequences for the planet and human life in particular. Most of you who promote fear of climate change are university educated which may mean you have been indoctrinated.There is too much of a group mind set, too much passion reminiscent of a religious crusade.too little commonsense to policies…

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    5. John Nicol

      logged in via email @bigpond.com

      In reply to Ed Brackenreg

      Ed Brackenberg,

      I have just read your link to the NOAA Reoport 2012/2013. In none of it does it claim convincingly that the earth is still warming since 1997. Their only claim is a spurious one as shown at
      http://www.jonnic.net/claims-of-highest-temperatures-do-not-illustrate-continued-global-warming/
      where they attempt to use the most recent "spin" to frighten the children, quoting "highest temperatures" in the last ten years, which is not a demonstration of continued global warming as…

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  13. John Nicol

    logged in via email @bigpond.com

    Ian,

    You make fairly sweeping statements about "The most urgent issue is climate change. We are already seeing the social, economic and environmental impacts of about one degree increase in average temperature. The possible impacts of two degrees are frightening enough, but we face the possibility of even greater increases if the world fails to take concerted action."

    Could you please make a short list of the 'social, economic and environmental impacts" that have arisen since about 1880 from…

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  14. Alice Kelly

    sole parent

    Ian Lowe, I would dearly hope that you have enough time to respond to Berthold Klein. I don't mind the odd battle, but sometimes wish the authors of articles written on the conversation could respond more forthrightly to letters, such as this one.

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    1. robin linke

      stamp dealer

      In reply to Alice Kelly

      Alice, I too would dearly hope that Emeritus Professoe Ian Lowe would reply to his critics. The problem is he can't, which lets down both his supporters and critics. 100,000 Australians have died so that future generations could have the freedom to research, debate, develope ideas.
      Ian Lowe's essay contained no facts or figures. No scientific analysis can be presented without facts and figures. His essay was replete with platitudes and meaningless generalisations. If he was a private consultant…

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    2. Neville Mattick

      Grazier: Biodiversity is the key.

      In reply to robin linke

      Australia does have energy generation coming online very soon. I am doing my bit in that area - large scale contribution - many MW's.

      For the cost; Wind Energy has now been officially reviewed as much cheaper per MWh than Coal and Gas see: http://bit.ly/11yz0Lt

      Base load is a anachronism today, what is being developed is a diversity of energy generation, from a range of Wind Farms, Solar; Gas, Hydro and Coal which can be sourced as required.

      Storage using super batteries will smooth the…

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    3. Geoffrey Harold Sherrington

      Boss

      In reply to Neville Mattick

      Neville,
      The important material is in this graph. It was published the day after it is dates, so it could not be accused of cherry picking.
      The graph, from Great Britain, shows the ACTUAL way the wind can change the output of large wind farms.
      http://www.geoffstuff.com/Irregular%20windJ.jpg
      If you want to avoid blackouts, you have to have to run a parallel backup system with a very fast switching time, a plant almost the size of the original, almost certainly fossil fuelled, to compensate for those very many days when the windmill output is a trickle.
      Lesson. The output of many large wind farms spread over a large area does not average into a manageable smoothing, although intuition might suggest it should. What is worse, some of the worst shutdowns coincide with the greatest need for more power.

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    4. Neville Mattick

      Grazier: Biodiversity is the key.

      In reply to Geoffrey Harold Sherrington

      Research just doesn't bear that out.

      Speaking of the experience in the State of NSW grid support is present and the massive foreign investment would NOT have the confidence to build the Wind Energy projection in this State without that mix of energy production, when on the odd occasion, renewables are offline.

      Which by the way for NSW does track demand as in this AEMO research: http://bit.ly/VODUl5

      "New South Wales on the other hand shows the opposite trend over the same period – a favourable wind characteristic with demand/temperature."

      Please see the Graphing on PP 31 and as NSW is the largest demand it is good news for Renewables.

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    5. robin linke

      stamp dealer

      In reply to Neville Mattick

      Neville, I think my questions were quite specific. You are clearly not able to give examples anywhere in the world where renewable energy other than hydro was providing base load power 24/7, either individually or in combination .
      In your 'diversity' of energy sources you have included Hydro & coal & gas. Well of course you will get base load!!
      Your reference to battery storage is meaningless. In Australia we need to generate approx 65GW of electricity.
      Renewables are a tiny fraction, and you must add the cost of back up power because the wind drops and the sun goes down, etc
      The MRRT failed because prices for iron ore dropped. Which is a timely reminder that we must diversify our export industries.

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  15. Geoffrey Harold Sherrington

    Boss

    Ian,
    You have a couple of real problems.
    1. The global temperature, as commonly agreed by those who measure it, has not risen for 15 years. This rather destroys the concept of global warming. Some secondary papers try to do special pleading to explain the flatline temperatures, but most reliance should be placed on the data of those who produce the estimates.

    2. If global warming has paused, as most now accept, CO2 and/or GHG concentrations generally have increased markedly in the atmosphere…

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    1. John Nicol

      logged in via email @bigpond.com

      In reply to Geoffrey Harold Sherrington

      Geoffrey,

      Yours is a very succinct and accurate summary of the facts.

      I had also asked a couple of pertinent questions of the good professor but so far he has not responded, so I wouldn't hold my breath.

      It just beggars belief that so much information is avaialble, so much detail showing that the predictions from sixteen years ago - sorry, I'll rephrase that: so many "projections" of the various "scenarios" - are completely wrong in terms of the temperature relationship with increasing…

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    2. John Nicol

      logged in via email @bigpond.com

      In reply to John Nicol

      Another question from my earlier reply, Geoffrey.

      What is an " observationally based metric"? Do you think it would be a measurement perhaps?
      John

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  16. Pat OBrien

    Activist

    Another great article by Professor Lowe. I'd just like to know where we can find a bunch of politicians who are capable of dealing with these issues.

    Surely common sense must prevail eventually, but by then it will be too late, too late for all of us. We are at a critical point in the history of the human race, and I've yet to see any real effort by any Government to halt the destruction.....even after 30 or more years of warning.

    What's even more worrying is the number of academics, who should know better, who dismiss Climate Change as some sort of weird fantasy.

    Ah well, perhaps the cockroaches that are left will manage the Planet better than we have........

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    1. Geoffrey Harold Sherrington

      Boss

      In reply to Pat OBrien

      Pat O'Brien,
      In the 65 years of my life that I can remember with adequate accuracy, I have yet to find a single factor arising from global warming that has caused me to notice it as a problem. Life just goes on as normal, except that we now have this bombardment of strange, speculative, unfinished pseudo-scientific climate papers that are written, it seems, to scare children wanting bed time stories.
      Perhaps they are written by cockroaches.

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    2. Chris Watson

      logged in via Facebook

      In reply to Geoffrey Harold Sherrington

      Here in the SW of WA, we have been living climate change for at least 25 years and it is causing problems. Western Australia is drying out.

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    3. Ben Neill

      Mobile/Web Applications Developer

      In reply to Geoffrey Harold Sherrington

      While I agree wholeheartedly that nuclear gen IV reactors (pebble bed, molten salt, etc) is the most realistic, cost effective and safest option, denying climate change is not real indicates maybe your memory isn't that great.

      It's funny how climate deniers accuse climate scientists of 'clinging to their grants' when it's fossil fuels that have so much to lose if we wean ourselves off their teat. In my opinion, 'climate skeptic' is just another term for 'corporate shill' whether they know what they are doing or not.
      It would be interesting to see the financials of Climate scientists that come out in support of climate denialists - my bet is many of them have been bought.

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    4. Geoffrey Harold Sherrington

      Boss

      In reply to Ben Neill

      Ben,
      Over the last decade I have had discussions with many people whom you might call 'climate deniers'. But, that is by your definition. I do not know how many you have met. I have never spoken to one who is funded by any energy industry, insofar as I know. The great majority are older then retirement age, devote their time for free and are concerned enough about bad science to do many, many hours of research to suggest that errors might me made and what corrections might be considered.
      The great majority have been successful in their own careers, often highly so, and are entitled to be heard, rather than ridiculed.
      How about dropping the labels and rhetoric and just getting together to solve problems. There is no shortage of problems. Too many remain for important policy decisions to be made at this stage.

      You guys started it with that pathetic attempt at "The science is settled".

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    5. Geoffrey Harold Sherrington

      Boss

      In reply to Chris Watson

      Chris Watson,
      Would this be more accurate?
      "We have lived in the SW of WA for 25 years. In that time we have gained an impression that WA is drying out.
      "So, we looked at the data and found this result for WA.
      http://www.geoffstuff.com/Perth%20rain.PNG
      "While we can see a long term pattern in the rainfall figures, we doubt that the changes are large enough to be part of memory over 25 years.
      "We might conclude that our thoughts about rainfall are moderated, consciously and sub-consciously…

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    6. Ed Brackenreg

      Airline pilot

      In reply to Geoffrey Harold Sherrington

      Interesting. Geoffrey seems to want to discredit Chris Watson’s comment by saying that Chris only thinks WA is drying out because he has been brain washed by the pro-climate change people. Then he presents data that supports Chris's comment, while trying to say that Chris could not possibly have actually noticed such a small change.
      I mean look at the number of spots above the 1000 mm line before 1970, and the number after 1970 (ie, none). Really looks to me like a decline. Even so, this is only…

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    7. Robert McDougall

      Small Business Owner

      In reply to Geoffrey Harold Sherrington

      Sorry Geoff, my family has been in south west WA for around 6 generations now and the consensus from the oldies is that it is a lot drier these days and the rainfall patterns have shifted.

      Go have a drink in mount barker pub with the bowls team and ask them, you'll get the same story.

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    8. Robert McDougall

      Small Business Owner

      In reply to Geoffrey Harold Sherrington

      or perhaps they are old enough to not expect to be around in a couple of decades time and are more focused on their share portfolio for retirement?

      "ignorance is bliss" "never underestimate the power of denial" "you can't teach an old dog new tricks"

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    9. Geoffrey Harold Sherrington

      Boss

      In reply to Ed Brackenreg

      Ed,
      So you make decisions when flying on behalf of your co-pilot, do, you,by assuming that you know what is going on inside his brain? That's what you are trying on with me, putting words in my mouth that I did not utter, as well you know.
      An airline pilot, of all people, making a comment like that above! I thought care and attention to detail and logical problem solving were attributes sought of pilots. After all, I did go to RAAF Academy Point Cook after high school, so I'm not entirely ignorant of pilot properties.
      Ed, all I did was pass on some collected climate data, note that there had been a change, possibly to small or too old to remember, note that there were other similar sources of data and suggest that figures trump memories.
      And you want to make an argument out of this? What is you motive?

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    10. Geoffrey Harold Sherrington

      Boss

      In reply to Robert McDougall

      Robert, I've lived in Perth and travelled widely in WA, even driving to Payne's Find and back one Sunday when the wildflowers were outstanding. The company I worked for operated the Robe River Mine, started development of Mesa K, co-discovered the Kanowna Belle gold mine and did a few other useful things to raise your WA standard of living. Even had a camp north of Telfer, so hot weather is not a stranger.
      Why not say "Thank you, Geoff. we appreciate the help?"

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    11. Geoffrey Harold Sherrington

      Boss

      In reply to Robert McDougall

      Robert, I have no idea of what you mean. Who is denying what? What ignorance have I displayed by showing official records with next to no personal comment? I don't have a share portfolio. I have no investments other than from the sale of our home my home and some contents.

      It's useful to check the veracity of data before you open your mouth based on mind reading a complete stranger.

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    12. Robert McDougall

      Small Business Owner

      In reply to Geoffrey Harold Sherrington

      How did you raise my standard of living exactly Geoff? If you sent me a cheque I must have missed it. More accurately, you raised your own standard of living?

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    13. Robert McDougall

      Small Business Owner

      In reply to Geoffrey Harold Sherrington

      My point was that perhaps the reasons why the oldr generations (I.e. the people you talk to as refereed by your previous post) may not be as concerned about environmental issues as say someone in their late teens, is a) generational perspective b) knowing they will not be around in 2050 with anticipated temperature increases of 4 deg c and c) more likely to be focused on income retirement (understandable) than long term sustainability.

      That is normal and understandable human behavior. As people get older they do have a tendency to want things to remain as they understand them, I have noticed this in myself as i age.

      It was a generalization and at no point In that post did I say "you"

      Re your data, it does clearly show a drying trend which is in line with what the science, and my older relatives are saying.

      I love my oldies, but they too are products of their generation and when discussing various topics this does come through.

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    14. Neville Mattick

      Grazier: Biodiversity is the key.

      In reply to Robert McDougall

      Yes it is true, Robert and Ed understand the Science and its source on Climate Change.

      As a volunteer Fire Fighter our tutors' always refer to Climate Change and particularly 'the drying of the environment' as a major risk in fire behaviour - they are absolutely correct.

      Our records and natural history in this place began in 1880 and it is drying, as a child I remember after rain the land would be wet and soggy for days, now; let me tell you, two days after rain you can't follow a dog across a grassy paddock without a dust trail !

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    15. Geoffrey Harold Sherrington

      Boss

      In reply to Robert McDougall

      Robert,
      If you get a graph for the more exact area in question, one that ends about now, then go back 50 -60 years that we might call living memory, you will have a high probability of finding that it has not bee drying out. What happened before that on the charts is somewhat immaterial when we are talking about memories.

      Also, impressions of 'wetness' are ill-defined. Older people are likely to be indoors more than young and not get wet so often. Cars have become more waterproofed. Rainfall…

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    16. Geoffrey Harold Sherrington

      Boss

      In reply to Robert McDougall

      Robert,
      Work through the mind exercise of stopping all mining in West Australia, then redividing the much-reduced State income among the population. I suspect that you would feel the difference. From the next day.
      My own standard of living is immaterial to the argument, but my income is well below national average and my assets are depleting at an accelerating rate, thanks to stupidities like windmills, solar subsidies, desal plants, pink batts, education revolutions, and greedy unionism.
      I am retired and disabled. I calculated at the time of my retirement that I would need about $3 million in my pension fund or termination payout in order to survive unassisted to my present age of 70. I was not far wrong. I reached that point at a few years past 60. There is an ocean of sharks out there who spend countless evil days trying to get their hands in your hip pocket. You can't plan for them. "There will be no Carbon Tax under a Government that I lead".

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    17. Robert McDougall

      Small Business Owner

      In reply to Geoffrey Harold Sherrington

      So are you saying that we should take your word above all the climate scientists that we are not experiencing a drying trend?

      Or indeed from the data you supplied?

      Or from direct observation the changes that have occurred over one life time?

      Or the massive changes happening in our oceans and polar regions?

      If so, then I am thankful your not responsible for policy.

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    18. Robert McDougall

      Small Business Owner

      In reply to Geoffrey Harold Sherrington

      Oh god, your not one of those are you? The "Julia lied to me" crew, guess what, they all lie.

      I am realistic enough to know that some mining is necessary, but I am certainly opposed to the rampant opportunism that characterizes that industry today.

      I am also opposed to juggernaught mining legislation that overrides all other legislation, I am opposed to lightweight environmental assessments that rely on adaptive response rather than valid scientific assessment. I am opposed to companies and…

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    19. Robert McDougall

      Small Business Owner

      In reply to Geoffrey Harold Sherrington

      Or how about the interest on borrowings and expenditure of taxpayer reserves to facilitate resource extractive industries , I.e. the 10's of billions of $ worth of infrastructure the taxpayer contributes, the increased economic activity without the high dollar impacts, the economic activity of other industries sidelined to accommodate resource extraction, the loss of economic activity from those sectors that are depressed through the mining boom, particularly in those sectors that are high employing, the health impacts associated with coal and gas mining, the diversion of political will and funds away from sustained industry development due to boom mentality, the exporting of our pollution to other countries.

      I personally think that if you did a FULL ecominc impact assessment, it certainly would not be as great a boon as you may think, it may even end up being a negative equity situation.

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    20. robin linke

      stamp dealer

      In reply to Robert McDougall

      Robert, Can you explain why the majority of those climate scientists & activists who warn of the dire consequences of climate change, actually oppose the only carbon free base load power sources namely hydro and nuclear.??

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    21. Robert McDougall

      Small Business Owner

      In reply to robin linke

      I can't speak on behalf of climate scientists as to why they would oppose or approve of anything.

      From my own perspective:

      Re hydro, frequently it involves geo-engineering with a lot of variables and potential unintended consequences, from displacing native habitats through flooding, impacts on downstream water flows to the experience in Egypt where the Nile was dammed for hydro but resulted in massive silt backup behind the dam to dropping fertility in the delta as it needs the annual silt…

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  17. Bridget BoVardia

    Director / Producer at Madame BoVardia's Arthouse

    On the topic of reducing migration levels there was a short doco nominated for an Oscar called Sun Come Up (2011) that tells the story of Carteret Islanders forced to leave their ancestral land in response to climate change and migrate to war-torn Bougainville, 50 miles across the ocean. Prof. Rob Nixon described this doco as "an introduction to the most urgent issue of our time"...

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    1. Geoffrey Harold Sherrington

      Boss

      In reply to Bridget BoVardia

      Although I grew up in North Queensland, I did not visit Carteret Islands. So far as I can see from Google Earth, Han Island is a triangle shape, about 1 km on each side. The 30 or so dwellings among the trees to the West average about 15 metres above sea level. I do not know what the significance of your observation is. Would you care to elucidate?

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  18. Geoffrey Harold Sherrington

    Boss

    Ian,
    Don't you fear you are talking psycobabble when you make statements like "We know that growth cannot continue for ever in a finite system."?

    First of all, define "we". It does not include me and I doubt that you have sampled all others.

    Second, how do we "know"? Is there a body of research from which all concluded identically?

    Third, what is a "finite system" for the purposes of your essay? If it is finite, it must have an end in the future. How do you know when that end will come?

    Would you like to name some 'finite systems' that will not continue forever, because we are poles apart on commonality of whatever you are talking about.

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    1. Suzy Gneist

      logged in via Facebook

      In reply to Geoffrey Harold Sherrington

      Here's an oldie but a goodie - a great lecture by Professor Bartlett http://www.albartlett.org/presentations/arithmetic_population_energy.html the link will take you to his presentation http://www.youtube.com/watch?v=F-QA2rkpBSY which gives some excellent examples of finite systems and the continued growth model dilemma. A finite system is any that is self-contained - like our planet or a culture inside a petri dish. It is an hour lecture, but after explaining the basics, he gives some very good examples - the elegance and inescapability of pure maths :)

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    2. Robert McDougall

      Small Business Owner

      In reply to Geoffrey Harold Sherrington

      Sigh

      "we" is commonly used in the English language in this context to refer to "our species".

      If you really want to get gnarly, "we" don't "know" anything (albeit the beginning of wisdom), but "we" largely can expect that observed patterns tend to repeat themselves.

      "finite" "we" live on a singular planet with effective boundaries of our atmosphere, "we" "know" that "we" can not yet extract resources from space or create alternative habitable biospheres. "we" "know" that at some point 8…

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  19. Geoffrey Harold Sherrington

    Boss

    Ian,

    The Charter of "The Conversation" includes "•Provide a fact-based and editorially-independent forum, free of commercial or political bias."

    Can you please write a paragraph explaining how your essay does not breach the Charter?
    .......................................
    Ditto re your comment "The current approach is funding our material consumption by destroying our natural resources, effectively stealing from our own children". Has a child ever complained to you that stealing is happening…

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    1. robin linke

      stamp dealer

      In reply to Geoffrey Harold Sherrington

      Geoffrey, your contributions have been magificent. I have run a business for 40 years and you need facts, research, logic, planning to survive. It is clear that some University departments peddle a political philosophy of fear and ignorance. Using the very tax money we provide.
      I have just posted four common sense questions directed at those who warn of the dire consquences of climate change asking them to explain the contradictions in their arguments. I am interested in the psychology of climate change activism. Dead silence might be the stern reply to a tiny mouse of thought.

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    2. Berthold Klein

      Civil-Environmental engineer

      In reply to robin linke

      Robin and Geoffrey you are on the right track, but you have missed a very important thing that is wrong with both wind turbines/ wind farms and solar panels. The problem is maintenance- when you have to maintain wind turbines 150 feet( 50 meters) in the air either over land or over water. Then you are doing maintenance on a thousand units compared to one or two generators inside a building. A simple search of the web will show the number of wind farms that are rusting away idle because no one wants…

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    3. Neville Mattick

      Grazier: Biodiversity is the key.

      In reply to Berthold Klein

      Just doesn't stack up on what action on Climate Change requires and the purpose of the points delivered in the paper above by Professor Lowe, such as "We should be urgently phasing out all subsidies of fossil fuel supply and use. These don’t even make economic sense and are environmentally disastrous."

      Vast foreign investment wouldn't have the confidence to build Wind Energy in Australia if the technical deficiencies made a loss, yes there is maintenance which creates local employment which did not previously exist.

      As for Birds the Royal Society for the Protection of Birds supports Wind Energy, why?

      Urgency of curbing Climate Change will pay huge dividends to Biodiversity in Birds if we act now; read more at - http://bit.ly/12lHsge

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  20. Berthold Klein

    Civil-Environmental engineer

    Ed Brackenreg, I will go through your presentation to show where you are wrong. In the mean time please give the readers of the Conversation a list of the scientific features of the "greenhouse gas effect". You have listed some in your previous posts, just put them in a list form for easy reference.
    We will them have a common ground for a Conversation.

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    1. Berthold Klein

      Civil-Environmental engineer

      In reply to Berthold Klein

      Ed Brackenreg: As I said above here is the dissection of you posts. I start with your errors about the temperature change effect on the wavelength of IR radiated by Earth compared to that from Venus. I'd suggest you look up the Wien' s Displacement Law and Planck's law of black-body radiation. Wikipedia seems to have this one correct- they know that if they change this it will get its ass kicked.
      Here is my post as it appeared in the Washington Times as a response to another pretend scientist…

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    2. Geoffrey Harold Sherrington

      Boss

      In reply to Berthold Klein

      Berthold,
      What is a civil engineer doing, getting so educated in spectroscopy? I agree with much that you write, but we still differ on some points. One is the derivation of that 33 deg C difference with and without the GHG model, but I have not fully worked it through.
      In my undergrad years there was a great deal of fascination that the big names of the early 1900s had derived so much from the measurement of light. We were well drilled with Wein, Stefan-Boltzmann, Beer-Lambert, excitation energies…

      Read more
    3. Berthold Klein

      Civil-Environmental engineer

      In reply to Geoffrey Harold Sherrington

      Geoffrey Harold Sherrington commented:
      "Berthold, What is a civil engineer doing, getting so educated in spectroscopy? I agree with much that you write, but we still differ on some points. One is the derivation of that 33 deg C difference with and without the GHG model, but I have not fully worked it through. In my undergrad years there was a great deal of fascination that the big names of the early 1900s had derived so much from the measurement of light. We were well drilled with Wein, Stefan-Boltzmann…

      Read more