16-01-2015 16:56 via washingtonpost.com

Scientists: Human activity has pushed Earth beyond four of nine 'planetary ... - Washington Post

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Scientists: Human activity has pushed Earth beyond four of nine 'planetary ...
Washington Post
At the rate things are going, the Earth in the coming decades could cease to be a “safe operating space” for human beings. That is the conclusion of a new paper published Thursday in the journal Science by 18 researchers trying to gauge the breaking points ...
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