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Climate change – Analysis and Comment

Are we prepared to talk about migration as a solution to climate change? AAP Image/Courtesy; SBS Dateline, Supplied by Hussein Khoder

Migration is a solution to climate change, not a threat to security

How to deal with the impact of climate change is front and centre at international climate talks in Warsaw, with a fund for “losses and damages” caused by climate change to developing nations on the table…
While they’re very pretty to look at, museum collections are also valuable to science. Curious Expeditions

Right at the museum: collections give clues on climate change

We know museums attract visitors who come to view and wonder at their vast array of displays, but they are also used by expert researchers – locally and abroad – who make use of the ever-growing collections…
Using tree measurements by Papua New Guinean villagers such as Daniel and Jackson, scientists can estimate that this tree stores about one tonne of carbon in its trunk and branches. Michelle Venter

How tree huggers can save forests with science

While hugging a tree sounds relaxing, it’s harder than you might think - especially when the tree is 20 storeys high and 3 metres wide, it’s hot as hell, and you’re swatting away swarms of sweat bugs…
Tony Abbott and Greg Hunt have deferred increasing Australia’s emissions targets until 2015. AAP Image/Alan Porritt

Is Australia shirking its international climate commitments?

This week Tony Abbott confirmed that Australia will not increase its emission reduction target from 5% below 2000 levels unless other countries make serious commitments. In a subsequent interview, environment…
Programme makers are wary of turning off viewers with climate change. Till Krech

We’ve woken up to climate change but we’re not tuning in

A report from the International Broadcasting Trust has argued that more investment should be made to get environmental issues covered on television. Environment on TV is based on interviews with people…
There is no better example of the debasement of Australian political discourse and process than that which has surrounded action on climate change. AAP/Alan Porritt

A values deficit, toxic politics, and the climate change debacle

We live in an age of unprecedented prosperity, in which the major influences have been secularism, materialism, utilitarianism, urbanisation, remoteness from nature, institutional failure (especially in…
What is the relationship between carbon dioxide and temperature rise? Werner Wittersheim

Explainer: what is climate sensitivity?

Humans are emitting CO2 and other greenhouse gases into the atmosphere. As these gases build up they trap extra heat and make the climate warmer. But how much warmer? Scientists have long understood that…
A lot of people have made a lot of promises about reducing emissions, but what do they actually mean? UN Climate Change

Making sense of chaotic emissions reduction pledges

The idiosyncratic nature of pledges by countries to stem their greenhouse gas emissions is an indicator of the chaos that characterises international climate change policy. The countries that have quantified…
Hudson Bay Lowlands are staying greener for longer as temperatures rise. K. Rühland

Global warming finally reaches the last Arctic region

Lakes of the Hudson Bay Lowlands, in northeast Canada, are showing evidence of abrupt change in one of the last Arctic regions of the world to have experienced global warming, according to Canadian research…
Young people are harbouring misconceptions about climate change. But what can be done about it? Thinking image www.shutterstock.com

What do young people really know about climate change?

The next generation will be the ones to feel the increasing effects of climate change. But how much do they really know about it? After all, it’s one thing to say: yes, I believe in climate change. But…
Environment minister Greg Hunt and prime minister Tiny Abbott are keen to repeal the carbon tax as soon as parliament sits - but it may prove harder than they thought. AAP/Alan Porritt

Carbon tax showdown: the rocky road ahead for Abbott

The Coalition will introduce its draft bill to repeal the Clean Energy Act into parliament next week. The bill would effectively remove the current carbon tax and its planned replacement, an emissions…
Bill Shorten is reportedly reconsidering the Labor Party’s position on the question of a carbon tax, the latest chapter in Labor’s long history with climate change policy. AAP/Alan Porritt

From Hawke to Shorten: the ALP’s vexed history with the carbon tax

As the new leader of the Labor opposition, Bill Shorten has a number of issues to deal with that have been left over from the previous three years of Labor government. Working out Labor’s climate change…
Partisanship aside, extreme weather events linked to climate change pose an enormous threat to the Western, legal-political system of government. EPA/Steve Pope

The great governmental challenge of climate change

The recently released fifth report of the UN’s Intergovernmental Panel on Climate Change stresses the connection between climate change and severe weather events around the world, including devastating…
This winter there was more sea ice than ever in Antarctica. Flickr/august allen

Why is Antarctic sea ice growing?

Recently NASA reported that this year’s maximum wintertime extent of Antarctic sea ice was the largest on record, even greater than the previous year’s record. This is understandably at odds with the public’s…
More of us are getting older, for longer, and policies need to reflect that. John Stillwell/PA

Ageing population more at risk from environmental threats

The global population is ageing. This is happening at a time when the rate and scale of human-induced environmental change is exceeding critical ecological limits, raising concerns over the consequences…
Firefighters have plenty of ideas about disaster management - so why don’t we listen? AAP/Dan Himbrechts

What firefighters say about climate change

You do not find many climate change sceptics on the end of [fire] hoses anymore… They are dealing with increasing numbers of fires, increasing rainfall events, increasing storm events. – A senior Victorian…
It really is time to talk about whether climate change is responsible for bushfires. AAP Image/Dan Himbrechts

Fire and climate change: don’t expect a smooth ride

With fires still burning across New South Wales, it’s time to have a look at the role climate change might have played. Are the conditions we’re seeing natural variation, or part of a long term trend…
New Zealand’s ancient tuatara might need a helping hand to cope with climate change. Flickr/Sheep"R"Us

Should we move species threatened by climate change?

Climate change is one of the greatest threats the world’s animals and plants are facing. In fact the world is facing an extinction crisis, which should concern all of us. The major problem with climate…
The path to climate change resilience is better land management. Flickr/jennifrog

The key to fighting climate change is in the land

Australia could lead the world in combating climate change. Wouldn’t you like to believe this was true? Actually though, Australia has a world-beating model to deal with climate change. But I’m not talking…
It’s too late for this ship, but practical strategies for tackling climate change are needed fast. Staecker

Give us practical climate solutions, not more problems

Scientists have hammered home once again the message that climate change is very real and very important. Climate scientists have been saying this for decades, yet carbon emissions worldwide continue to…
Optimism is lovely, but individual action won’t solve climate change. \!/_PeacePlusOne/Flickr

Fixing climate change: the future isn’t what it used to be

This is the last part of a series following on from the release of the Intergovernmental Panel on Climate Change Fifth Assessment Report and looking at emerging alternatives to the UN climate agreement…