Abstract
The herbicide dicamba, known for volatilizing and wreaking havoc on plants it was not intended to target, also poses risks to bees, birds, fish, and mammals, the US Environmental Protection Agency finds in a draft ecological assessment released Aug. 18 . But the biggest risk remains spray drift and volatilization for nontarget terrestrial plants, the agency says. The EPA and state agencies have received numerous complaints about dicamba damaging nontarget plants since late 2016, when the EPA allowed the herbicide to be sprayed on genetically modified soybeans and cotton . Environmental groups sued the agency to halt the approval and won. In June 2020, federal appeals court ordered the EPA to cancel all registrations for use on dicamba-tolerant crops. In October 2020, under then-president Donald J. Trump, the EPA issued new registrations with additional controls intended to prevent the herbicide from volatilizing and drifting onto neighboring properties. But the measures
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