3M knew for more than 50 years that its products could harm humans, Australian government alleges in court documents

Exclusive: federal government court filings claim internal company documents included warnings about products being toxic In filings as part of its $2bn lawsuit against the multinational company, commonwealth lawyers said products sold to Australia were known to stay present in water and soil, were persistent in the human body and in animals, and contributed to conditions including reduced kidney function, alterations in immune function, effects on fertility and puberty and lower birth weight in babies.