06 Jun '12, 11pm

Scientists Fear Global Ecological Collapse Once 50% of Natural Landscape is Gone

Scientists Fear Global Ecological Collapse Once 50% of Natural Landscape is Gone

Paul Buckingham via Geograph /CC BY 2.0 I love me some solid, science-backed doom and gloom—and good thing! It's in such ample supply. A new study from 22 respected biologists and ecologists says that the world may be about to undergo a "state shift" that will trigger huge environmental transformations, mass extinctions, and ecological collapse. Oh, it will probably be an existential threat to humanity too. So, New York Times, riddle me this : Humans have already converted about 43 percent of the ice-free land surface of the planet to uses like raising crops and livestock and building cities, the scientists said. Studies on a smaller scale have suggested that when more than 50 percent of a natural landscape is lost, the ecological web can collapse. The new paper essentially asks, what are the chances that will prove true for the planet as a whole? And the answer is ... sci...

Full article: http://www.treehugger.com/natural-sciences/scientists-fea...

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