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.

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.)