"The danger is that global warming may become self-sustaining, if it has not done so already..."
Signs placed on the 10, 15, 101, 110 and 405 in Los Angeles and San Bernardino counties.
Quotation by Stephen Hawking, August 2006
Quotation by Stephen Hawking, August 2006
The melting of the Arctic and Antarctic ice caps reduces the fraction of solar energy reflected back into space, and so increases the temperature further.
Climate change may kill off the Amazon and other rain forests, and so eliminate once one of the main ways in which carbon dioxide is removed from the atmosphere.
The rise in sea temperature may trigger the release of large quantities of carbon dioxide, trapped as hydrides on the ocean floor.
Both these phenomena would increase the greenhouse effect, and so global warming further.
We have to reverse global warming urgently...
if we still can."
YTD - 965
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