Is Humanity Pushing Earth Past a Tipping Point?

Posted by Wired: Brandon Keim Email Author on August 26th, 2012
Wired: Could human activity push Earth`s biological systems to a planet-wide tipping point, causing changes as radical as the Ice Age`s end - but with less pleasant results, and with billions of people along for a bumpy ride? It`s by no means a settled scientific proposition, but many researchers say it`s worth considering - and not just as an apocalyptic warning or far-fetched speculation, but as a legitimate question raised by emerging science. "There are some biological realities we can`t ignore,"......

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