Glossary
Glossary term

adverse environmental impact

A regulatory term referring to an adverse impact on the environment resulting from the breach of the prohibitions and obligations listed in Part I.

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What does adverse environmental impact mean?

Under CSDDD, adverse environmental impact is not a general sustainability term — it is a legally specific category limited to impacts resulting from the breach of the specific prohibitions and obligations listed in Part I of the CSDDD Annex. This means not every negative environmental outcome a company causes triggers CSDDD obligations; only those connected to the enumerated international environmental standards (such as the Convention on Biological Diversity or the Minamata Convention on Mercury) are in scope.

Official definitions by source

CSDDD

Directive (EU) 2024/1760 on corporate sustainability due diligence

an adverse impact on the environment resulting from the breach of the prohibitions and obligations listed in Part I, Section 1, points 15 and 16, and Part II of the Annex to this Directive, taking into account national legislation linked to the provisions of the instruments listed therein;

Reference: Article 3, point b

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Practical application

This scoping matters because companies performing gap analyses for CSDDD compliance need to map their activities and supply-chain risks against the specific international instruments listed in the Annex — not against an open-ended definition of "harm to the environment." Mining operations, for example, should specifically check their exposure to the listed conventions on biodiversity, mercury, hazardous waste (Basel), and persistent organic pollutants (Stockholm).

Minespider commentary

For Minespider, the bounded definition of adverse environmental impact is important for scoping due diligence workflows. It means that a risk-mapping exercise under CSDDD needs to be anchored in the specific conventions listed in the Annex, not in a company's own broader ESG risk framework — though both exercises are valuable and should ideally be run in parallel.

Common confusions

  • Treating adverse environmental impact as equivalent to any negative environmental consequence — the CSDDD definition is scoped to specific listed international instruments, not all environmental harm.
  • Confusing adverse environmental impact with adverse human rights impact — these are defined separately in CSDDD and trigger separate (though overlapping) due diligence obligations.
  • Assuming that environmental harms not covered by the listed conventions (e.g. certain types of noise pollution or light pollution) are irrelevant to CSDDD — they may still be relevant under other regulations (ESPR, EIA Directive, etc.) even if not triggering CSDDD directly.