At last night's Republican debate, Michele Bachmann tried to stake Tim Pawlenty on his support for cap-and-trade.

The EPA wised up and banned DuPont from selling Imprelis, the herbicide that was killing trees.

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San Francisco could require businesses to let bikers bring their ride inside.

Offshore wind turbines could damage whales’ hearing, but a ring of bubbles around the noise pollution could keep whales safe.

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If you have a ton of old CDs and a yearning for your very own DJ booth, Peter Gabriel has a great recycling idea for you. (Or you could just use them to make an awesome moonscape.)