The 12 organisations at the forefront of sustainable business practice were revealed on 3 February 2011 at the Mansion House by Lord Smith, Chairman of the Environment Agency, as winners of the City of London Corporation’s Sustainable City Awards.

http://www.cityoflondon.gov.uk/Corporation/LGNL_Services/Environment_and_planning/Sustainability/Sustainable_City_Awards/sca_2010.htm