How to join the Global Covenant of Mayors

Commitment entails the
following steps:



your country to download and complete your commitment document.

Join as a Signatory


Signatory Registration

Commitment letter


Once you’ve signed the documents, please return them to your regional helpdesk or the global GCoM secretariat: . If you have any questions regarding the commitment process, please do not hesitate to contact us at the same email address.


your commitment to your citizens and local media! To support you in this, we will send you a communications toolkit by email upon receiving your commitment document.



citywide knowledge, goals, and plans that aim at least as high as your country’s own climate protection commitment(s) or Nationally Determined Contribution (NDC) to the Paris Climate Agreement. With support from GCoM, global and regional networks, and other partners, you will

  • Develop a greenhouse gas (GHG) emissions inventory
  • Assess climate risks and vulnerabilities of your city
  • Define ambitious climate mitigation, resilience and energy targets
  • Create full climate action plans
read more
  • The Global Covenant of Mayors has three official platforms through which cities can share their progress:
CDP and ICLEI unified reporting platform
Go to Reporting Platform
Go to Reporting Platform
  • Identify city-specific hazards and conduct a climate risk and vulnerability assessment.
  • Define ambitious climate mitigation targets – ideally stronger than your national targets as defined in your country’s Nationally Determined Commitment (NDC).
  • Create full climate action and adaptation plans, in line with the agreed timeline in your commitment document.

Track & Report

your progress on a regular basis.

Any city or town in the world can commit

to the Global Covenant of Mayors for Climate & Energy, regardless of size or location. Cities or local governments that want to formalize a commitment to GCoM should submit a commitment document, which must be signed by an appropriately mandated official according to local governmental procedures.

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