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

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.

Mark Ruffalo, aka the Incredible Hulk, is the natural gas industry's worst nightmare: a serious, committed activist who is determined to use his star power as a superhero in the hottest movie of the moment to draw attention the environmental and public health risks of fracking.

Geoengineering - the deliberate, large-scale manipulation of the earth's climate to offset global warming - is a nightmare fix for climate change.

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

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