Bonn, 17 May, 2012 - Two UN agencies and the World Bank today expressed appreciation at the launch of a pilot version of a Global Protocol for Community-scale Greenhouse Gas Emissions, designed to harmonize emissions measurement and reporting process for the world's cities. The protocol was released at the UNFCCC climate meetings in Bonn by C40 Cities Climate Leadership Group and ICLEI - Local Governments for Sustainability, with input from the World Resources Institute.