carbonn Climate Registry

The carbonn® Climate Registry (cCR) is the world´s leading reporting platform to enhance transparency, accountability and credibility of climate action of local and subnational governments. It is designated as the central repository of the Compact of Mayors launched at the Climate Summit 2014.



The carbonn® Climate Registry is designed as the global response of local and subnational governments towards Measurable, Reportable and Verifiable (MRV) climate action. Through numerous partnerships on political commitments, capacity building and regarding schemes, the cCR has become the world's leading reporting platform to enhance global transparency and accountability of local and subnational governments' climate action.

→ Click here to report and here for more information on reporting in 5 languages (ID, FR, EN, ES, PT).

→ You have until November 13th to join the WWF 2015-2016 Earth Hour City Challenge

→ To commit to the Compact of Mayors, click here


27. November 2015

Low Carbon City Lab releases: Low-Carbon Investment in Cities - How to Harness the Potential?

A great resource on financing has been released: “Low-Carbon Investment in Cities - How to Harness the Potential?” by the partners of the “Closing the Gap for Transformative Local Action (CGTLA)” project – a Climate-KIC financed...[more]

27. November 2015

Brazilian Municipalities Take Step Forward On Road to COP21

During the event ‘Urban Life Forum: Reflections on the Future of Cities', organized by the Municipality of Belo Horizonte and the National Front of Mayors (FNP) on 17 and 18 November, the host Mayor and President of the FNP,...[more]

25. November 2015

Watch this space! Launch of cCR 5-Year Overview Report and Low Carbon events at COP21

The countdown to the UNFCCC COP21 in Paris has officially begun. In less than one week the world’s nations, local and sub-national governments, and key decision-makers will convene in Paris (30 Nov. to – 11 Dec 2015). Selected...[more]

25. November 2015

Celebrating achievements of the Compact of Mayors – cities and towns in focus!

Days before the opening of the COP21 conference in Paris, France, the Compact of Mayors and its partners are reaching important milestones.  These range from new commitments from cities and towns all over the globe, to...[more]

     >>> Go to News Archive >>>



cCR 5 Year Report Launch and session at Cities and Regions Pavilion

4 December 2015 (13:30-15:30)

Cities & Regions Pavilion- TAP 2015

30 November - 11 December 2015

Climate Summit for Local Leaders

4 December 2015

User login

Enter your username and password here in order to log in on the website:

Don't have an account?