3M's firefighting foams were marketed as harmless and biodegradable, despite knowledge of their toxic nature and persistence in the environment, revealing a significant corporate malpractice.
Evidence of PFOS's persistence had emerged by 1949; however, 3M continued misleading customers into the 1990s, clearly inconsistent with the scientific evidence available.
Experts warn that PFAS pollution represents one of the greatest threats to humanity, as contamination has become widespread across ecosystems and human populations.
Documents show that 3M's misleading brochures from as early as 1979 claimed their foams were environmentally neutral and low in toxicity, despite containing harmful chemicals.
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