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

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

Climate change is a global issue - from the point of view of the Earth's climate, a molecule of CO2 emitted in Bejing is the same as a molecule emitted in Sydney.

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

Coal boosters like to tout coal as cheap and plentiful - well, not anymore. At least not in China.

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

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.