Renewable Revolution

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Chlorpyrifos   is a crystalline organophosphate insecticide, acaracide and miticide. It was introduced in 1965 by Dow Chemical Company and is known by many trade names including Dursban, Lorsban, Bolton Insecticide, Nufos, Cobalt, Hatchet, and Warhawk [5]. It acts on the nervous system of insects by inhibiting acetylcholinesterase.

Chlorpyrifos is moderately toxic to humans, and exposure has been linked to neurological effects, persistent developmental disorders and autoimmune disorders. Exposure during pregnancy retards the mental development of children, and most home use was banned in 2001 in the U.S.[6] In agriculture, it is "one of the most widely used organophosphate insecticides" in the United States  , according to the United States Environmental Protection Agency (EPA), and before being phased out for residential use was one of the most used residential insecticides.[7] On March 29, 2017, EPA Administrator Scott Pruitt   denied a petition to ban chlorpyrifos.[8]