Opinion | IPCC
Published on: 16. September 2025

IPCC and UNFCCC: How to overcome the blockade of the obstructionists

Hans-Otto Pörtner, physiologist and marine biologist at the Alfred Wegener Institute.

Ahead of the UN General Assembly and COP30, climate science and the UN process are under internal and external pressure. Hans-Otto Pörtner argues that the structures of the IPCC and UNFCCC should also be changed for greater efficiency as part of UN reforms.

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Hans-Otto Pörtner

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Last updated: 16. September 2025

IPCC UNFCCC Climate science Climate policy
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