December 2, 2011
Huffington Post
Feeding an Ever-growing Population
By Cary Fowler
World population just surpassed the big round number of 7,000,000,000.
Mankind reached its first billion just as the 19th century got underway. That feat of fecundity required eons. It took us just 12 years, however, to tack on the last billion. We're definitely on a roll....
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