We have known for some decades that the climate change we are creating for the twenty-first century was of a similar magnitude to that seen at the end of the last ice age, but that it was occuring thirty times faster. We have known that the Gulf Stream shut down on at least three occasions at the end of the last ice age, that sea levels rose by at least 300 feet, that the earth's biosphere was profoundly reorganized, and we have known that agriculture was impossible before the Long Summer of 10,000 years ago. And so there has been little reason for our blindness, except perhaps an unillingness to look such horror in the face and say, "You are my creation."
- Tim Flannery in The Weather Makers
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