If you think Wall Street firms have it good, you haven't looked closely at Big Oil.

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

The coal industry is an even larger part of the Australian economy than it is of the American, and it has an enormous amount of political power.

If you think Wall Street firms have it good, you haven't looked closely at Big Oil.

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.

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

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.