WASHINGTON (AP) - Climate change is suddenly a hot topic again. The issue is resurfacing in talks about a once radical idea: a possible carbon tax. On Tuesday, a conservative think tank held discussions about it while a more liberal think tank releas ...

CHEYENNE, Wyo. (AP) - Interior Secretary Ken Salazar on Tuesday authorized what he described as potentially the largest wind energy project in the United States, if not the world: A Wyoming wind farm with up to 1,000 turbines that would provide elect ...

TORONTO (AP) - Canada's environment minister said Monday his country is pulling out of the Kyoto Protocol on climate change. Peter Kent said that Canada is invoking the legal right to withdraw and said Kyoto doesn't represent the way forward for Cana ...

AUSTIN, Texas (AP) - Texas Gov. Rick Perry on Monday asked President Barack Obama to use his executive authority to prevent or delay implementation of stricter pollution standards, saying they will have an "immediate and devastating" effect on the st ...

NEW YORK (AP) - Former President Bill Clinton says the problem with the green energy movement is a lack of financing behind it. Clinton kicked off his annual philanthropic conference Tuesday morning with a discussion about addressing global climate c ...

JUNEAU, Alaska (AP) - A federal wildlife biologist whose observation in 2004 of presumably drowned polar bears in the Arctic helped to galvanize the global warming movement has been placed on administrative leave and is being investigated for scienti ...

WASHINGTON (AP) – Former Vice President Al Gore is doing what few environmentalists and fellow Democrats have done before, criticizing President Barack Obama's record on global warming. In a 7,000-word essay for Rolling Stone magazine that was posted ...

NEW YORK (AP) - Two leading makers of lighting products are showcasing LED bulbs that are bright enough to replace energy-guzzling 100-watt light bulbs set to disappear from stores in January. Their demonstrations at the LightFair trade show in Phila ...

ARCADIA, Calif. (AP) - A daylong standoff between a handful of tree sitters and public works crews has ended with the removal and arrest of the activists, who were trying to prevent bulldozers from clearing scores of trees as part of a dam improvemen ...

NEW ORLEANS (AP) - Disasters like the explosion of the Deepwater Horizon rig could happen again without significant reform, according to the conclusions of a presidential panel that described systemic problems within the offshore oil and gas industry ...