One thing you can say about nuclear power: the people who believe it is the silver bullet for America's energy problems never give up.

Climate scientists have long pointed to the Southwest as one of the places in the U.S. that is most vulnerable to global warming impacts, especially drought. And if there's one thing that even climate denialists don't dispute, dry things burn.

In reality, studies show that investments to spur renewable energy and boost energy efficiency generate far more jobs than oil and coal.

Some studies suggest that the Arctic Ocean may be ice-free by the end of the century.

If you think Wall Street firms have it good, you haven't looked closely at Big Oil.

President Obama is in no danger of being judged by history as an eco-radical.

Nowhere has the political power of coal been more obvious than in presidential campaigns.