Exclusive: federal government court filings claim internal company documents included warnings about products being toxic Get our breaking news email , free app or daily news podcast Manufacturing company 3M knew more than 50 years ago that its firefighting products – including components in Pfas...
Source: [Guardian World](https://www.theguardian.com/environment/2026/aug/18/3m-knew-for-more-than-50-years-that-its-products-could-harm-humans-australian-government-alleges-in-court-documents)