Atmospheric Science
COPENHAGEN - U.S. Secretary of State Hillary Rodham Clinton sought to put new life into flagging U.N.
COPENHAGEN - As police cracked down on climate protesters, church bells tolled 350 times Sunday to impress on the U.N.
LONDON - E-mails stolen from climate scientists show they stonewalled skeptics and discussed hiding data - but the messages don't support claims that the science of global warming was faked, according to an exhaustive review by The Associated Press.
COPENHAGEN - By executive action, the Obama administration can boost the U.S.