Renewable Energy


CHICAGO - Wind turbines, roof gardens and solar panels will join the pair of antennas atop the Sears Tower's staggered rooftops, said building officials who announced Wednesday that the skyscraper would undergo a $350 million green renovation.

CROWN POINT, N.Y. - More than 10,000 campgrounds dot the American landscape.

KNOXVILLE, Tenn. - From its bamboo floors to its rooftop deck, Clayton Homes' new industrial-chic "i-house" is about as far removed from a mobile home as an iPod from a record player.
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