Sunday, April 13th, 2008 at 8:39am

Exhaust from cars causing flowers to lose their scent?

Posted by Jordan Erickson

http://www.livescience.com/environment/080411-pollution-flowers.html –

Research funded by the National Science Foundataion (NSF) says that the pollutants we are introducing to the air around us – from car exhaust, power plants and other human-originating sources, are causing flowers to lose their scent. This, according to the study, causes bees to have to search further and rely on vision rather than smell, to find the pollination they need to survive and breed.

From the study:


“The scent molecules produced by flowers in a less polluted environment, such as in the 1800s, could travel for roughly 1,000 to 1,200 meters [3,300 to 4,000 feet]; but in today’s polluted environment downwind of major cities, they may travel only 200 to 300 meters [650 to 980 feet],” said study team member Jose D. Fuentes.”

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