Pollen levels on the rise, thanks to climate change, scientists say

International Business Times: An unseasonably warm winter made 2012 one of the worst years for people with allergies, but scientists say it's just the start of an upward trend. Thanks to climate change, pollen counts are only going to climb higher, more than doubling by the year 2040. Nearly 8 percent of people over the age of 18 in the U.S. have hay fever, or allergic rhinitis, which is primarily triggered by plant pollen. People with pollen allergies have immune systems that overreact to the presence of plant pollens and...

URL: http://www.ibtimes.com/pollen-levels-rise-thanks-climate-change-scientists-say-868168