“Clean-up certificates”: How they could halve Europe’s contribution to climate change

Ottmar Edenhofer, head of the Potsdam Institute for Climate Impact Research (PIK), aims to make carbon dioxide removal commercially viable using clean-up certificates. PIK has now quantified the potential benefits of the instrument – but experts have voiced criticism of the concept.

Kai Schöneberg

24. February 2026

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Kai Schöneberg

24. February 2026

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Last updated: 24. February 2026