Environmental groups says the development of Canada's oil sands threatens to kill as many as 166 million birds.
U.S. scientists have figured out how icebergs break off Antarctica and Greenland, a finding that may help predict rising sea levels as the climate warms.
The incoming administration of the US will not have sufficient time to get backing for a coherent position at the Copenhagen conference on Climate Change next year and will postpone the landmark agreement for a year.
The Vatican was set to go green on Wednesday with the activation of a new solar energy system.
Bush's lame-duck status probably means no progress on climate change at an international meeting next month.
Many octopuses evolved from a common ancestor that lived off Antarctica more than 30 million years ago, according to a "Census of Marine Life" that is seeking to map the oceans from microbes to whales.
Scientists have been analysing samples taken from the world’s rarest big cat
Both presidential candidates plan to slash U.S. emissions but whoever wins will face difficulties.
A growing "carbon army" of environmentalists, bankers and investors has seized on official backing last week for major public spending announced in Britain and the United States.
Hi-tech devices tracked two small salmon on a 2,500 km (1,550 mile) swim from the Rocky Mountains to Alaska in a step towards understanding fish migrations and protecting stocks, scientists said.