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

It's not all Obama's fault: His plans to rebuild America's energy infrastructure have been hampered by the recession, and his efforts on global warming have been stymied by Tea Party wackos and weak-kneed Democrats in Congress.

Among all the tests President Obama faced in his first term, his biggest failure was climate change.

When it comes to global warming, coal is the gorilla in the room.

Bloomberg's $50 million is not going to revolutionize the electric power industry. But his willingness to fight is already inspiring others to see Big Coal differently.

In the United States, we do a pretty good job of protecting iconic landscapes and postcard views, but the ocean gets no respect.

In the U.S. alone, weather disasters caused $50 billion in economic damages in 2010.