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 5 Year Overview Report (2010 - 2015) is now available     Download here



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 Bahasa Indonesia, French, English, Spanish and Portuguese. 

→ To commit to the Compact of Mayors, click here


08. February 2016

Call for Proposals for Sub-Saharan Cities: explore support from Covenant of Mayors

The Covenant of Mayors is expanding beyond the wider European region, into Africa - aiming to export inspiring examples, principles and a methodology for Sub-Saharan African cities on addressing sustainable energy. A call for...[more]

05. January 2016

Saluting historic partnership between the Compact of Mayors and the Covenant of Mayors

On December 4th 2015 during COP21, the UN Secretary General’s Special Envoy for Cities and Climate Change, Michael R. Bloomberg and the European Commissioner for Economic and Financial Affairs, Pierre Moscovici announced that the...[more]

21. December 2015

Compact of Mayors side event as if you were there

Since the official launch of the Compact of Mayors in September 2014 and over the course of its first year of activity, important milestones have been achieved. In total, 428 cities and towns have committed to the...[more]

09. December 2015

Compact of Mayors announced 428 committed cities at COP21

On Monday December 7th 2015 at an official COP21/CMP11 Side Event on the Compact of Mayors, co-organizers ICLEI and UCLG announced that 428 cities and towns have committed to the Compact of Mayors. Of these 428...[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?