Critical List: Bachmann goes after Pawlenty on cap-and-trade; a bubble shield for wind turbines
At last night's Republican debate, Michele Bachmann tried to stake Tim Pawlenty on his support for cap-and-trade.
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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