Syngenta will remove paraquat from Australia by 2027. The chemical now faces tighter rules. The Swiss firm says sales will halt once existing stocks are exhausted.

A warning labels the herbicide now. Death or severe harm can follow trace amounts. Farmers and bystanders risk exposure. Canberra’s regulator took action after years of warnings.

Several countries already banned paraquat. Health groups demanded a block on sales. No new shipments will arrive after 2027.