Corteva Agriscience, a major manufacturer of the insecticide chlorpyrifos, will stop making the chemical at the end of the year.

There’s a growing sense of unease among pesticide officials and retailers dealing with a third straight year of off-target movement of dicamba onto nearby crops and other vegetation.

The 9th Circuit Court of Appeals has given the Environmental Protection Agency 90 days to decide whether to allow the use of chlorpyrifos.