Another study [University of Virginia]:
Quote:
April 20, 2008
Pollution is stifling the fragrance of plants...[scent] molecules are volatile, and quickly bond with pollutants such as ozone and nitrate radicals, mainly formed from vehicle emissions...so that they no longer smell like flowers...researchers do not believe that they have found the cause of CCD, but say that pollution is making life more difficult for bees and other insects in many ways...
The Independent
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