On Wednesday, the United States Environmental Protection Agency doubled down on one of the most controversial environmental deregulation moves of the Trump presidency. Under pressure from a looming court-ordered deadline, the EPA reaffirmed its 2017 decision to reject a proposal from the agency’s own scientists to ban an insecticide called chlorpyrifos that farmers use on a wide variety of crops, including corn, soybeans, fruit and nut trees, Brussels sprouts, cranberries, broccoli, and cauliflower.