June 28, 2015, 4:21 p.m. by Michael d'Estries
The president invited the famed naturalist to the White House to celebrate his 89th birthday.
June 23, 2015, 3:45 p.m. by Russell McLendon
A new study reports the long-suspected mass extinction of wildlife is 'already under way.'
May 8, 2015, 11:24 a.m. by Russell McLendon
Earth just averaged 400 parts per million of carbon dioxide for a month, which hasn't happened in human history — and possibly not since the Pliocene Epoch about 3 million years ago.
April 22, 2015, 2:09 p.m. by Ruth Greenspan Bell and Elke U. Weber, Environmental Health News
Regulations can make a difference but we must also change how people live their everyday lives to have any real impact.
April 21, 2015, 12:09 p.m. by Shannon Hall, LiveScience
Americans' opinions about climate change are as divided as they are diverse.
April 9, 2015, 1:58 p.m. by Russell McLendon
Instead of synthetic insecticides, entomologist Rich Hofstetter is recruiting native fungi to protect forests from bark beetles.
April 8, 2015, 11:28 a.m. by Michael d'Estries
Billionaire philanthropist and former mayor says he's 'doubling down' on efforts to reduce carbon emissions and to replace half the nation's coal with clean energy by 2017.
March 30, 2015, 10:14 a.m. by Becky Oskin, LiveScience
Ice shelves don't contributed to sea level rise, but their collapse can result in glaciers melting faster than they normally would.