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Tuesday, April 15, 2008

Scentless Spring: Auto Pollution and Flowers



Growing levels of air pollution from power plants and automobiles have reduced the potency of flower fragrances by up to 90 percent as compared with pre-industrial levels in the United States, a new study has found.

The trend is unpleasant for human noses, but may be life-threatening for pollinators such as bees and butterflies.

National Geographic

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