The toxic pesticide DDT was dumped into the ocean off Southern California more than 50 years ago by the Montrose Chemical Corporation, and it is still contaminating fish and sediments in the region decades later, according to researchers. Banned in 1972, the pesticide is now known to harm human and wildlife health, with prior research linking it to cancer as well as reproductive and neurological issues. The toxic pesticide DDT was dumped into the ocean off Southern California more than 50 years ago by the Montrose Chemical Corporation, and it is still contaminating fish and sediments in the region decades later, according to researchers. Banned in 1972, the pesticide is now known to harm human and wildlife health, with prior research linking it to cancer as well as reproductive and neurological issues. Environment Phys.org – latest science and technology news stories