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Global Warming May Double Pollen by 2040

Nov. 9, 2012 -- If you're allergic to pollen, brace yourself.

"By the year 2040, we will get about 1.5 to two times the amount of pollen that we have now," says Leonard Bielory, MD. Bielory is professor of environmental prediction at Rutgers University and attending physician at Robert Wood Johnson University Hospital, New Brunswick, N.J.