At the COP talks, the United States is driving all the other countries crazy. The U.S. response: "What, us?"

China's conditions for a climate deal include the demand that it and other growing economies would have to meet different standards than rich countries. So, essentially, nothing has changed.

Warren Buffett's buying Topaz Solar Farm, a California project worth $2 billion.

Is Silicon Valley taking over the auto industry from Detroit?

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Gainesville, Fla., ranks between Japan and Spain on per capita solar power.

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