One million acres of prime wolf, bear, and salmon habitat adjacent to Lake Clark and Katmai National Parks could be opened to new mining claims with the stroke of a pen. Closed to mining since 1971, these wild Alaska lands are integral to Bristol Bay's sa

Have you heard that the world is now cooling instead of warming? You may have seen some news reports on the Internet or heard about it from a provocative new book. Only one problem: It's not true, according to an analysis of the numbers...

On "Real Time" Friday night Bill Maher pilloried climate change skeptics, particularly skeptics in the Republican party such as GOP Sen. James Inhofe and Rep. Joe Barton, insisting that they must "stop pretending climate change is a future problem."

U.S. EPA Administrator Lisa P. Jackson announced today that the Agency has taken a significant step to address greenhouse gas (GHG) emissions under the Clean Air Act.

"Human activities," the scientists warn, "have now reached a magnitude that may trigger irreversible and in a some cases abrupt environmental change by damaging the regulatory capacity of the systems on Earth that keep the planet in the desired Holocene

Even as China overtakes the U.S. in the dubious category of "world's leading greenhouse gas producer," it is also well ahead of the U.S. in developing the technologies and policies to solve the problem--and selling those solutions to us at massive profits

A while back I mentioned Solar Roadways, a clean-energy idea that appears kind of kooky, at least on the surface. (See what I did there?) The notion is to replace paved surfaces with rugged, specially built solar panels.

The average water temperature worldwide was 62.6 degrees, according to the National Climatic Data Center, the branch of the U.S. government that keeps world weather records. That was 1.1 degree higher than the 20th century average

The problem with wind power--one of them, anyway--lies in the phrase "fickle as the wind." Ocean tides, by comparison, are a paragon of reliability. They come and go twice a day, like clockwork. Seasonally, they're strongest at the solstices in June and Dec

Environment-degrading practices, often defended as necessary to economic health, are revealed, upon closer inspection, to be uneconomic.