Internal papers show Syngenta hid risks of widely used pesticide from public, regulators for decades | Phytosanitaires et pesticides | Scoop.it
A trove of internal documents obtained and published by The New Lede show Swiss chemical giant Syngenta knew in the 1960s and 1970s that the widely used weedkiller paraquat could build up in human brain tissue and trigger effects recognized as hallmarks of Parkinson’s disease.