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


24. June 2016

Berlin becomes 7th Western city to divest from fossil fuels

On Thursday 23 June, Berlin’s officials voted to divest the city’s $852.8 million public pension from coal, oil and gas companies. Following Stockholm, which announced its divestment from fossil fuel on June 15, Berlin becomes...[more]

22. June 2016

Compact of Mayors and European Covenant of Mayors join forces in the New Global Covenant of Mayors for Climate & Energy

The Compact of Mayors and European Covenant of Mayors joint forces to tackle climate change.As of 22 June 2016, the Compact of Mayors and European Covenant of Mayors have joined forces to tackle climate change. These two...[more]

20. May 2016

Join Compact of Mayors e-learning webinar series (May 20-June 16)

Starting on May 20th, the Compact of Mayors will host a series of webinars—both regional and language-specific—on the newly launched e-learning tool. This e-learning course will show cities how to work through the various phases...[more]

17. May 2016

Compact of Mayors: Indonesian cities are front-runners

Six more Indonesian mayors signified their commitment to the global Compact of Mayors at an event titled, ‘Accelerating Commitment on the Compact of Mayors: Sub-National Leaders Meeting’ held at the Hotel Royal Kuningan in...[more]

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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...

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

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