More than a decade ago, nonprofit Natural Resources Defense Council petitioned the EPA to ban the use of a pesticide called tetrachlorvinphos in pet products like flea and tick collars. The organization cited studies showing that the chemical, a possible carcinogen, had been linked to brain and nerv
Two environmental groups filed a complaint against the U.S. Environmental Protection Agency on Wednesday for its controversial decision to not ban a pesticide linked to neurological, developmental and autoimmune disorders.