Dear EarthTalk: is it true global warming can exacerbate allergies?

From: EarthTalk: Questions & Answers About Our Environment. AWeekly Column | Date: October 28, 2007| Author: Tibbetts, Alex | Copyright information

Is it true global warming can exacerbate allergies?

--Alex Tibbetts, Seattle, WA

Global warming can make allergies worse simply because the major pollen producers that trigger allergic reactions thrive and flourish in warmer air. A recent report from the nonprofit Natural Resources Defense Council (NRDC) entitled "Sneezing and Wheezing: How Global Warming Could Increase Ragweed Allergies, Air Pollution and Asthma" details how ragweed, one of the most common al...

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