Small native animals are facing “an extraordinary decline” across the northern third of Australia, with the spread of feral cats largely to blame, a leading ecologist said.

The White House called on Tuesday for urgent action to combat climate change, as it released a study on the impact of global warming across the United States and key sectors of the US economy.

The federal government's unprecedented bid to strip Tasmanian forests of World Heritage status was put together without any external advice, a Senate committee has heard.

Part of East Antarctica is more vulnerable than expected to a thaw that could trigger an unstoppable slide of ice into the ocean and raise world sea levels for thousands of years, a new study showe

Wind energy’s share of Australia’s main electricity market jumped to a record last month, helping to curb emissions from the power sector even as hydro output shrank, according to energy consultanc

The nation’s climate and weather predicting capacity and the jobs of dozens of scientists are at risk if the Abbott government accepts a recommendation of the National Commission of Audit to axe a

Axing Australia’s renewable-energy target – currently under review by the Abbott government – would halt $11 billion in future investments and mean higher household power bills by decade’s end, new

State and territory governments have hammered out a plan to work towards a national agreement by 2016 to improve air quality in cities throughout the country

The Abbott government’s changes to existing climate change policies would cost the budget as much as $40 billion by 2020, according to the Climate Institute, and the cost will blow out even further

The most-severe drought in 17 years is threatening supplies of palm oil from Indonesia and Malaysia, the world's biggest producers, and forecasters say an El Nino weather pattern this year may caus