ICLEI is the world´s leading association of cities and local governments dedicated to sustainable development. ICLEI is a powerful movement of 12 mega-cities, 100 super-cities, 450 large cities and urban regions as well as 450 small and medium-sized cities and towns in 83 countries. ICLEI promotes local action for global sustainability and supports cities to become sustainable, resilient, resource-efficient, biodiverse, low-carbon; to build a smart infrastructure; and to develop an inclusive, green urban economy with the ultimate aim to achieve healthy and happy communities. Find out more at www.iclei.org
Cities account for 37–49% of global greenhouse gas emissions and urban infrastructure accounts for over 70% of global energy use. The IPCC's AR5 report draws attention to the need for climate change mitigation and adaptation.