North Australian FISH FINDER TM forums

https://www.theguardian.com/environment ... pollutants

From Wikipedia: "Through the 1960s Monsanto Chemical Company knew increasingly more about PCB's harmful effects on humans and the environment, per internal leaked documents released in 2002, yet PCB manufacture and use continued with few restraints until the 1970s.[56]"

Why does it take these companies so long to do the right thing?

So many blunders were known well ahead of time ... lead in petrol, PCBs, asbestos ...