Although President Joe Biden has promised to limit people's exposure to “dangerous chemicals and pesticides," his administration has defended several actions by the Trump administration that generally deregulated pesticides.
The U.S. EPA launched a review into the best-selling Seresto flea and tick collar this spring after media reports about injuries and deaths linked to the product spurred a congressional inquiry, class-action lawsuits and a formal complaint.
The E.P.A. has finalized a so-called transparency plan that it says will improve the credibility of science. Scientists say it is designed to stop new public health protections by limiting what research the agency can consider.