Olympia Snowe, a moderate Republican who believed in global warming and even tried to do something about it, is retiring from the Senate.

Since it’s getting warmer, more Americans believe in global warming, because of “personal observations of the weather.” Sigh. That’s not the correct reason to believe global warming is happening, but we’ll take it. At least until next winter.

New York could double the speeding fines for electric bike riders to $1,000.

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Wind farms that fly or float can help maximize production.

Grist thanks its sponsors. Become one.

Tiny, printed solar cells can still be super efficient.

Composting pets’ poop: only sort of a good idea.