California bans paraquat, highly toxic herbicide outlawed in more than 70 countries
2 sources·Updated August 13, 2026

Covered by 2 sources
- Guardian Health·11h agoCalifornia bans paraquat, highly toxic herbicide outlawed in more than 70 countries
State is US’s largest user of pesticide that is virtually proven to cause Parkinson’s disease California is banning paraquat, a highly toxic, controversial herbicide used across millions of acres of American cropland. Public health advocates characterize it as a deadly substance…
Read at Guardian Health → - NYT Science·14h agoThis Pesticide May Be Too Dangerous to Use. Farmers Say They Need It.
California announced that it’s phasing out paraquat, a pesticide widely used in the United States that is linked to Parkinson’s disease.
Read at NYT Science →