EXCERPT: Since 1950, urban populations have increased sevenfold, primary energy use has soared by a factor of five, while the amount of fertilizer used is now eight times higher. The amount of nitrogen entering the oceans has quadrupled.
All of these changes are shifting Earth into a “new state” that is becoming less hospitable to human life, researchers said.
“These indicators have shot up since 1950 and there are no signs they are slowing down,” said Will Steffen of the Australian National University and the Stockholm Resilience Center. (Mother Jones, excerpts)
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http://www.motherjones.com/environment/2015/01/humans-destorying-planet-earth
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