Sustainability Language

Regulation & International Instruments

Clydebank Declaration

A COP26 declaration committing signatory states to establish zero-emission maritime routes known as green shipping corridors.

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Definition

The Clydebank Declaration was launched at COP26 in Glasgow on 10 November 2021. Signatory states commit to support the establishment of at least six green shipping corridors — maritime routes between ports on which zero-emission shipping is demonstrated and scaled — by the middle of the 2020s, through voluntary partnerships, regulatory frameworks and shared infrastructure planning.

References

UK Government

launch date, corridor commitment, signatories, approach annex

S&P Global

22 initial signatories; sector emissions share

Overview

What it means

It is the flagship multilateral instrument for kick-starting zero-emission deep-sea shipping, a sector responsible for roughly 2. 5–3% of global CO2 emissions.

How it is used

Signatories (initially 22 countries) pair ports, agree fuels and standards, and coordinate demand signals for green fuels along chosen routes.

Why it matters

Shipping decarbonisation depends on coordinated port, fuel and vessel investment that no single actor can deliver alone.

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