The <a href="http://www.unep.org/GreenEconomy/Portals/93/documents/Full_GER_screen.pdf">http://www.unep.org/GreenEconomy/Portals/93/documents/Full_GER_screen.pdf</a> report identifies the following sectors as key to greening the global economy: agriculture, buildings, energy supply, fisheries, forestry, industry including energy efficiency, tourism, transport, waste management and water.