Earth: Past the point of no return

Renowned scientist James Lovelock says he believes the world has passed the point of no return for climate change, and civilization is unlikely to survive.

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<p><a href="http://www.physorg.com/news9928.html">Earth: Past the point of no return</a></p> <p>Renowned scientist James Lovelock says he believes the world has passed the point of no return for climate change, and civilization is unlikely to survive. </p>