By Alvin Powell | Harvard Gazette Staff Writer
When British Prime Minister Boris Johnson declared in September that the global environmental summit, set to open Sunday in Glasgow, Scotland, could be “the beginning of the end of climate change,” most chalked it up to little more than home-turf cheerleading.
The gulf between Johnson’s rosy prognosticating and scientific projections, after all, is vast. Though there is widespread agreement that the safest path would be to hold warming to 1.5 degrees Celsius, or about 2.7 degrees Fahrenheit, the U.N.’s Intergovernmental Panel on Climate Change’s projections show that avoiding even a rise of 2 degrees Celsius — 3.6 degrees Fahrenheit — may not be possible.
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