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.

Have we failed to slow global warming pollution in part because climate and environmental activists have been too polite and well behaved?

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

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

In the Arctic, things are already getting freaky. Temperatures have warmed three times faster than the global average.

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

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