❐ Why California is banning chlorpyrifos, a widely-used pesticide: 5 questions answered
2020 Jan 23
Starting Feb. 6, 2020, California growers will be barred from using the insecticide chlorpyrifos on grapes and other crops. AP Photo/Eric Risberg
Starting Feb. 6, 2020, California farmers will be barred from using chlorpyrifos on their crops. The Trump administration says more study is needed, but other states are also moving ahead.