Climate Change, Ragweed and Allergies


Recent warming by latitude associated with increased length of ragweed pollen season in central North America (Abstract, Lewis Ziskaa,, Kim Knowlton, Christine Rogers, Dan Dalan, Nicole Tierney, Mary Ann Elder, Warren Filley, Jeanne Shropshire, Linda B. Ford, Curtis Hedberg, Pamela Fleetwood, Kim T. Hovanky, Tony Kavanaugh, George Fulford, Rose F. Vrtis, Jonathan A. Patz, Jay Portnoy, Frances Coates, Leonard Bielory, and David Frenz, Proceedings of the National Academy of Sciences of the USA(PNAS), Feb. 22, 2011)

 

Climate change brings with it longer and warmer summers as well as shorter and milder winters. Today’s article looks at the effect that a longer growing season for vegetation has on ragweed, one of the most common allergies known and the main cause of asthma in northern USA and Canada.

To read more about this post with Key Quotes and links to relevant reports on the new internet platform for Pollution Free Cities, click HERE

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