![Ancient climate records show how the Earth has responded to changing greenhouse gas levels.](/web/20161113204039im_/http://www.canberratimes.com.au/content/dam/images/g/s/k/6/5/j/image.related.landscape.460x307.gso3z0.png/1479021511259.jpg)
Warming up: new study points to a more sensitive climate to rising CO2
Climate models may be underestimating how sensitive the planet is to rising greenhouse gas levels .
Peter Hannam is Environment Editor at The Sydney Morning Herald. He covers broad environmental issues ranging from climate change to renewable energy for Fairfax Media.
Climate models may be underestimating how sensitive the planet is to rising greenhouse gas levels .
A Trump presidency could have serious impacts on Australia's climate science and other research including short-term weather forecasts.
Development in Sydney's coastal wetlands will become more difficult as the Baird government moves to tighten controls over ecologically sensitive regions.
The Turnbull government has ratified the Paris climate agreement, formalising Australia's commitment to a global effort to curb carbon emissions and reduce the risk of dangerous climate change.
Sydney could be in for a thundery afternoon as a series of storm cells move in from the Blue Mountains.
The Baird government is on the cusp of "gutting" environment protection in the state, opponents say.
A cool change on Tuesday is expected to bring both relief and anxiety to the hundreds of firefighters battling blazes along eastern NSW.
More than 100,000 households in the Sydney region and surrounds are exposed to high bushfire risks.
A major bushfire continues to burn out of control in the Port Stephens area in the NSW Hunter region.
Record hot years such as last year's global scorcher will become the norm before 2030 unless greenhouse gas emissions are curbed, a new study by Australian researchers has found.
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