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


02. October 2015

Free Webinar at 29th of Oct: Green bonds for cities in the global south

To support local and sub-national authorities better finance sustainable actions. We are coordinating with South Pole Group and Climate Bond Initiative to present you a free webinar...[more]

09. September 2015

First fully Compact of Mayors compliant city celebrated

On August 26th, 2015, Rio de Janeiro, Brazil became the first fully compliant Compact of Mayors city, using the robust reporting framework addressing climate change mitigation and adaptation. The  Compact of Mayors,...[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...

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