An expansion of sea ice around Antarctica is linked to a hole in the ozone layer high in the atmosphere, according to a study on Tuesday that helps clear up a mystery about global warming.

U.S. scientists have combined a discovery from a French garbage dump with breakthroughs in synthetic biology to come up with a novel method for turning plant waste into gasoline, without the need of any food sources.

Environmentalists have warned against biofuels, saying they could produce twice the carbon emissions of the fossil fuels they replace, environmentalists have claimed.

Friends of the Earth said rules introduced a year ago requiring a percentage of UK transport fuels to be

The Obama administration opened the way to regulating US greenhouse gas emissions on Friday by declaring climate-warming pollution a danger to human health and welfare, in a sharp policy shift from the Bush administration.

In what could be a historic moment in the struggle against climate change, the Environmental Protection Agency on Friday confirmed what most people have long suspected but had never been declared as a matter of federal law: carbon dioxide and other greenhouse gases constitute a danger to public health and welfare.

Russia's greenhouse gas emissions rose by a tiny 0.3 percent in 2007 to the highest since 1990s economic downturn caused by the break-up of the Soviet Union, according to data submitted to the United Nations.