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

Bloomberg is famously impatient with beltway politics and believes that to get anything done you need to work from the ground up.

This Dewdrop World is a beautiful, courageous, intimate film about love and loss. It may also be the deepest meditation on climate change that I've ever seen.

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

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.

For better or worse, the bulk of coal industry jobs are in Appalachia - and when that coal is gone, so are the jobs.

Some studies have shown that natural gas could, in fact, be worse for the climate than coal.