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Articles on Climate change

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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…

CO2 levels reach record high

Atmospheric CO2 concentrations reached record levels last year according to the UN World Meteorological Organisation. The…
How much influence do aerosols such as this smog have on climate? Flickr/freddie boy

Climate change and aerosols: new research

New research published today in Nature gives us a better idea of how much aerosols produced by people are influencing climate change. Aerosols — tiny particles produced naturally and by burning fossil…
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…
Big agriculture, big data, big weather. Chemophilia

Big data lets global corps bet on the threat of climate change

The recent news of Monsanto’s US$930m acquisition of data science company Climate Corporation, raises important questions about the economies developing in response to climate change. A new generation…
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…
Deep underground the coal is off - but the heat is still on. Ashley Dace

Underground water heat will aid bid to hit renewable targets

Solar and wind power rightly receive a lot of attention as we struggle to ramp up renewable electricity and move away from fossil fuels. But in a damp, blustery island such as ours, generating heat is…
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…

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