ttp://www.carbonn.org/
Carbonn, a joint project of the United National Environment Programme (UNEP) and ICLEI, has been set up to facilitate the access by local governments to climate benchmarking instruments on a global scale. The service will aim to assist local governments report and compare their commitments, policies, programs and performance regarding greenhouse gas emissions reductions. Carbonn will also play a pivotal role in developing standards for, and providing guidance on, local emissions accounting and reporting. Through Carbonn, UNEP and ICLEI will work together for the development of low-carbon cities and communities, engaging cities in the UNEP Climate Neutral Network.