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

A warning covers the herbicide now. Death or severe harm can follow trace amounts. Farmers and bystanders are in danger. Canberra’s regulator took action after years of warnings.

Dozen of countries already banned paraquat. Health groups called for a block on sales. No new shipments will enter after 2027.