- Lisa JacksonAdministrator, Environmental Protection Agency
Tell the EPA: Ban the pesticide that's killing bees
Since 2006, U.S. honey bee populations have been in precipitous decline, with some estimates suggesting losses as high as 30% per year. While that's terrible, the problem is far greater than just the destruction of a species. Without bees, a big piece of our food supply is in serious danger. Pollination by honey bees is key in cultivating the crops that produce a full one-third of our food.
Scientists have been scrambling to understand the crisis -- termed Colony Collapse Disorder -- but have yet to find a single, definitive cause. There are likely multiple interacting causes, and mounting evidence suggests that one widely used class of pesticides may be a critical factor.
One such chemical, called clothianidin, is produced by the German corporation Bayer CropScience. It is used as a treatment on crop seeds, including corn and canola, and works by expressing itself in the plants' pollen and nectar. Not coincidentally, these are honey bees' favorite sources of food.
Shockingly, no major independent study has verified the safety of this pesticide. While clothianidin has been used on corn -- the largest crop in the U.S. -- since 2003, it was officially approved by the Environmental Protection Agency last year on the basis of a single study, conducted by Bayer. However, recently leaked documents show that the study was actually debunked by the agency's own scientists, so the pesticide was effectively approved with no scientific backing.
It is outrageous that the E.P.A. is putting a vital species, the livelihoods of farmers and beekeepers, and our very food supply at risk just so Bayer can peddle its pesticide.
When clothianidin first came to market, there was little or no scientific review of its effect on the environment. The U.S. Environmental Protection Agency allowed "conditional registration" in 2003 but requested additional study to establish the safety of the chemical. Bayer, the producer of the chemical, conducted one such study, and without public notice, the E.P.A. granted unconditional use in early 2010.
But E.P.A. documents leaked at the end of last year expose a more sordid story. Agency scientists who reviewed Bayer's study determined that the evidence was by no means sound, and even downgraded the study to a level at which it should not have been allowed as the basis for an unconditional approval of the pesticide.
Additional independent studies have shown that neonicotinoid pesticides like clothianidin are highly toxic to honey bees, providing compelling evidence that they should be immediately taken off the market until the E.P.A. can conduct a full and valid scientific review.
This appears to be a case of the E.P.A. catering to the needs of a large chemical corporation at the expense of a lynchpin species in our ecosystem. France, Italy, Slovenia, and Germany -- the home of Bayer -- have already banned clothianidin.
The stakes are simply too high to continue the use of this chemical in the absence of any scientifically verified evidence that it is safe to use. Tell the E.P.A. to immediately prohibit the use of clothianidin and conduct a full scientific review to determine its impact on honey bee populations.
- Administrator, Environmental Protection Agency
The E.P.A. must immediately ban clothianidin and conduct a full, independently verified scientific review on the effect of the pesticide and other neonicotenoids' impact on honey bees and other non-target species.
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