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September 3, 2015 06:00 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/CyLoiHB-DZ8/earth-home-to-3-trillion-trees-half-as-many-as-when-human-civilization-arose
Earth Home To 3 Trillion Trees, Half As Many As When Human Civilization Arose
sciencehabit writes: Earth today supports more than 3 trillion trees—eight times as many as we thought a decade ago. But that number is rapidly shrinking, according to a global tree survey released today (abstract). We are losing 15 billion trees a year to toilet paper, timber, farmland expansion, and other human needs. So even though the total count is large, the decline is "a cause for concern," says Tom Spies, a forest ecologist with the U.S. Forest Service in Corvallis, Oregon, who was not involved with the work.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/CyLoiHB-DZ8/earth-home-to-3-trillion-trees-half-as-many-as-when-human-civilization-arose
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