Why We Need To Be Prepared To Leave Planet Earth

August 1, 2014 12:00 PM

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Growing up with science fiction's environmental nightmares, I did not imagine writing in a future of so many threats to human survival. Threats from our own wounding of nature and other natural threats which we have only recently understood. The fact that there were so many warnings in books set me into a naive assumption that disasters would not happen. I did not even consider how many thousands of people the planet kills every month, or how many we ourselves kill annually.

Many human civilizations have perished on our planet, little aware and even oblivious of what was happening to them. We were poised in the last century, and still are, to die by nuclear war -- and now face the ruination of nature's life support system through greed and denial. Human extinction is mo...

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