Features Applications Beef
Manure becomes pollutant

March 8, 2010 – Animal
manure, a byproduct as old as agriculture, has become an unlikely modern
pollution problem, scientists and environmentalists say.
March 8, 2010 – Animal
manure, a byproduct as old as agriculture, has become an unlikely modern
pollution problem, scientists and environmentalists say.

The country simply has
more dung than it can handle: crowded together at a new breed of mega-farms,
livestock produce three times as much waste as people, more than can be
recycled as fertilizer for nearby fields.

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