Environmental Technologies Action Plan: http://europa.eu.int/comm/environment/etap/

European Commission / DG Environment: http://europa.eu.int/comm/dgs/environment/index_en.htm

European Commission / DG Research: http://europa.eu.int/comm/dgs/research/index_en.html

Insitute for Prospective Technological Studies: http://www.jrc.es/home/index.html

European Roundtable on Sustainable Consumption and Production: http://www.erscp2004.net/

OECD Environment: http://www.oecd.org/topic/0,2686,en_2649_37465_1_1_1_1_37465,00.html

United Nations / Division of Technology, Industry and Economics: http://www.uneptie.org

Journal of Cleaner Production: http://www.elsevier.nl/locate/jclepro