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December 2008 Earth 3.0: Solutions for Sustainable Progress

Solutions to environmental problems ranging from carbon offsets to regrowing tropical rainforests--and whether nuclear power can contribute to the fight against global warming

Treading Lightly: 8 Eco-Conscious Tips for Vacations That Leave Behind Mostly Memories

Some ecotravel destinations, along with ideas on how you can protect the environment while enjoying a relaxing vacation--no matter where you go

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Can Nuclear Power Compete?

Newly approved reactor designs could reduce global warming and fossil-fuel dependence, but utilities are grappling with whether better nukes make market sense

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Clean Cities and Dirty Coal Power--China's Energy Paradox

China is aggressively building cleaner cities and renewable power supplies, but the relentless expansion of dirty coal may suffocate those efforts. A firsthand look

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Chicago's Plans to Go Green

Mayor Richard Daley has unveiled an aggressive plan to transform the old, gritty city. If he can pull it off, other cities might follow

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