"The Intergovernmental Panel on Climate Change predicts that the average global temperature will rise between 2 degrees and 6.4 degrees Celsius by the end of this century. These are conservative estimates, based on a lowest-common-denominator consensus among scientists and further watered down by governments. They make no allowance for feedback phenomena and potential runaway heating. But a World Bank study in India last year suggested that even 2 degrees hotter means a 25 percent cut in Indian food production. The core problem with climate changes is not sea level rise or bio-diversity; it is food supply"--Provided by publisher.

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