The 2011 World Water Week in Stockholm closed on 26th Aug-2011, supporting a "Stockholm Statement to the 2012 United Nations Conference on Sustainable Development in Rio de Janeiro (Rio+20 Summit)". This 'Stockholm Statement' calls on leadership at all levels of government that will participate at the Rio+20 Summit (4-6 June 2012) to commit to achieving "universal provisioning of safe drinking water, adequate sanitation and modern energy services by the year 2030" and to adopt intervening targets to increase efficiency in the management of water, energy and food. The targets include to be achieved by the year 2020 are: 20% increase in total food supply-chain efficiency, 20% increase in water efficiency in agriculture, 20% increase in water use efficiency in energy production, 20% increase in the quantity of water reused, 20% decrease in water pollution .