California regulators passed a rule in January 2024 that they said would protect communities from one of the state’s most popular, and dangerous, pesticides. For decades, they knew that 1,3-dichloropropane, or 1,3-D, causes tumors in multiple organs in laboratory animals, which led the state to flag it as a carcinogen in 1989. Yet regulators allowed … Continue reading California Pesticide Regulators Say New Rules Protect Communities as Applications of a Dangerous Fumigant Rise