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

Bill Gates is a relative newcomer to the fight against global warming, but he's already shifting the debate over climate change.

Obama's record on climate issues is not all bad.

One of the big questions in the climate change debate: Are humans any smarter than frogs in a pot? If you put a frog in a pot and slowly turn up the heat, it won't jump out. Instead, it will enjoy the nice warm bath until it is cooked to death. We humans seem to be doing pretty much the same thing.

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

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.

When it comes to energy, cost isn't everything - but it's a lot. Everybody wants cheap power.