Internacionais

Agência Europeia do Ambiente
http://www.eea.eu.int/

Politicas da União Europeia - Energia
http://europa.eu.int/pol/ener/index_pt.htm

ManagEnergy
http://www.managenergy.net/

ESTIF - European Solar Thermal Industry
http://www.estif.org/

MOTIVA - Energy Information Centre
http://www.motiva.fi/fi/

Black Sea Regional Energy Centre
http://www.bsrec.bg/

Energie-Cités – Association of European Local Authorities for promotion of local sustainable energy policies
http://www.energie-cites.org/

ICLEI Energy Services (IES)
http://www.iclei.org

OPET Network - Organizations for the Promotion of Energy Technologies
http://www.cordis.lu/opet/

IDAE - Instituto para la Diversificacion y Ahorro de la Energia
http://www.idae.es/home/home.asp

Comissão Nacional de Energia Espanhola
http://www.cne.es/

BioRegional
http://www.bioregional.com/

International Energy Agency
http://www.iea.org/

European Council for Energy Efficient Economy
http://www.eceee.org

Greenpeace
http://www.greenpeace.org/

REPP/CREST - Renewable Energy Policy Project & Center for Renewable Energy and Sustainable Technology (EEUU)
http://www.crest.org/index.html

Natural Resources Defense Council
http://www.nrdc.org/