DUPONT DE NEMOURS INC
DD
Materials
3
exclusion reasons
2 themes
This page is part of our public exclusion list — a transparency tool that shows which companies we screen out and why. It is not investment advice, and it is not an accusation. But it is subject to change as our understanding of the facts evolves.
DuPont de Nemours Inc. has a documented history of contaminating local environments with toxic chemicals, directly harming surrounding communities. The company discharged per- and polyfluoroalkyl substances (PFAS) into local environments for decades, contaminating water and soil. This legacy of pollution is linked to a pattern of concealing scientific evidence about the dangers of these chemicals, as alleged in multiple state lawsuits, including those filed by Michigan and Ohio.
A specific and localized impact is evident in Delaware. A 2017 UCS report highlighted high health risks from toxic pollution in New Castle County communities near DuPont facilities, framing the issue as one of environmental justice. The contamination stems from the company’s historical manufacturing of chemicals like perfluorooctanoic acid (PFOA). In December 2025, a settlement was announced resolving DuPont’s violations related to PFOA under the Toxic Substances Control Act, acknowledging the ongoing harm.
Beyond chemical pollution, DuPont’s operations have posed acute safety risks to communities. On November 15, 2014, an explosion in the Lannate Process Area at a DuPont facility in Texas killed four employees and released methyl mercaptan, a toxic chemical, endangering nearby residents. This incident underscores a systematic disregard for community health and safety that extends beyond environmental contamination to include immediate physical hazards.
DuPont and Chemours agreed to remediate a contaminated site in Mercer County, NJ under the Superfund program, with DuPont paying $26 million for cleanup costs.
DOJ/EPA — DuPont (DD); Co-liable with Chemours and Corteva for $1.185B PFAS water systems settlement (2023); $393M NJ Natural Resource Damage settlement; EPA TSCA $10.25M penalty for PFOA disclosure failures (2004); as predecessor entity, originated GenX/PFAS contamination of Cape Fear River affecting 500,000+ NC residents; UN experts formally condemned DuPont (Feb 2024) for extensive contamination violating right to clean water
Research Sources
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Companies appear on our exclusion list based on our investment judgment — not because they've done anything illegal. This is a difference of values and opinion, not an accusation of wrongdoing. Exclusion does not constitute a recommendation against investing in any company, and absence from the list does not constitute a recommendation to invest.
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