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.

Read the full text of the Compact of Mayors


28. July 2015

City resources available in the Compact of Mayors

By the end of July 105 cities have already committed to the Compact of Mayors, agreeing to follow the new global standardized reporting framework for climate change mitigation and adaptation. This unique initiative focuses on...[more]

02. July 2015

Compact of States and Regions releases first round of targets

The Compact of States and Regions – an ICLEI-supported initiative that records greenhouse gas (GHG) emissions reduction targets and inventory data from sub-national governments – today announced that 20 governments,...[more]

Climate action transparency key to trustworthiness

New carbonn Climate Registry (cCR) report reveals that global voluntary reporting of local climate action triggers trustworthiness, access to finance...

Read more



User login

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

Don't have an account?