Dr. Gwynne Dyer – Geopolitics in a Hotter World – UBC Talk Transcribed (Sept. 2010)
So the assumption is that we will pass through The Point Of No Return: the point of no return is 2 degrees Celsius higher; 450 parts per million carbon dioxide in the atmosphere, to put it in a more scientific phrasing. Everybody in the business reckons we're going to 500, 550, if we're lucky, before…
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