Cities to grab lands equaling size of Mongolia In next 20 years, study says - 0 views
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Kevin Makice on 19 Sep 11In the next 20 years, more than 590,000 square miles of land globally - more than twice the size of Texas - will be gobbled up by cities, a trend that shows no signs of stopping and one that could pose threats on several levels, says a Texas A&M University geographer who is part of a national team studying the problem.