Global warming: Scientists are more optimistic

World scientists have revised their doomsday scenario on climate change caused by global warming, the Weekend Australian reported.

A draft report by the Intergovernmental Panel on Climate Change adjusts the projections of climate change that the panel made five years ago.

Details of the draft report reveal that scientists now project a 3 degree Celsius rise in the average daily global temperature by the end of this century if no action is taken to reduce greenhouse gas emissions.

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