Global warming means longer allergy seasons: study
Ragweed allergy season in North America has grown two to four weeks longer in recent years because of warmer temperatures and later fall frosts, researchers said.
Ragweed allergy season in North America has grown two to four weeks longer in recent years because of warmer temperatures and later fall frosts, researchers said.
Environment
Feb 21, 2011
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It isn’t beach weather in most of the United States right now, but it’s never too early to be thinking about spring and summer. Unfortunately, for people with allergies, today’s daydreams can turn into nightmares about ...
Feb 13, 2009
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