American scientist, author and blogger, and Professor Emeritus of Natural Resources and Ecology & Evolutionary Biology at the University of Arizona. McPherson theorizes that the current rate of global warming could cause a global average temperature increase of between >1° and >6° Celcius, making humanity extinct by 2030 at the earliest because a warming of 4° to 6° C will result in "a dead planet." Read less
McPherson Guy was born on February 29, 1960, in Wallace, United States.
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