Last year, renewable energy technologies like wind and solar were the fastest growing new sources of electricity in the U.S. — and though the recession has slowed down expansion, green power is still set to take off under President Barack Obama. But if America is ever going to truly run on renewable energy — less than 12% of U.S. electricity currently comes from alternatives sources, and most of that from older types like nuclear and hydro — we'll need to embrace next-generation technologies.
http://www.time.com/time/specials/packages/article/0,28804,1874933_1874925,00.html?xid=newsletter-daily
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