Agència Europea del Medi Ambient

http://www.eea.eu.int/

DGXI: medi ambient, seguretat nuclear i protecció civil

http://europa.eu.int/comm/environment 

International Institute for Sustainable Development (IISD)

http://iisd1.iisd.ca/

Sustainable Development Networking Programme

http://www.sdnp.undp.org/

Progama de les Nacions Unides pel Medi Ambient.

http://www.unep.org/

Organització Mundial del Comerç

http://www.wto.org/indexsp.htm

Consell Mundial d’Empreses per al Desenvolupament Sostenible

http://www.wbcsd.ch/

Conveni de la Biodiversitat

http://www.biodiv.org/

Conveni de les Nacions Unides sobre el Canvi Climàtic

http://www.unfccc.int/

Convenció sobre Canvi Climàtic de Milà 2003 (COP 9)

http://www.minambiente.it/cop9 

Worldwatch Institute

http://www.worldwatch.org

Revista del Worldwatch Institute

http://www.nodo50.org/worldwatch

Campanya europea de ciutats i viles sostenibles

http://www.sustainable-cities.org/

US Environmental Protection Agency

http://www.epa.gov/

Legislació ambiental europea

http://www.eel.nl/

IUCN - The world conservation union

http://www.iucn.org/

Europarc Federation (The óbice of Europe’s protected areas)

http://www.europarc.org/

National Strategies for Sustainable Development

http://www.nssd.net/

Mediterranean Action Plan

http://www.unepmap.org/ 

European Environment Agency

http://www.eea.eu.int/

European Agency for Safety and Health at Work Hom

http://www.agency.osha.eu.int/

EPA – US Environmental Protection Agency

http://www.epa.gov/

EMEP/CORINAIR Atmospheric Emission Inventory Guidebook

http://reports.eea.eu.int/EMEPCORINAIR3/en

Euro-BAT – European Integrated Pollution Prevention and Control Bureau

http://eippcb.jrc.es/

IPPC – Legislació ambiental europea

http://europa.eu.int/eur-lex

European co-operation for accreditation

http://www.european-accreditation.org/

OSHA - Occupational Safety & Health Administration

http://www.osha.gov/index.html

Air & Waste Management Association

http://www.awma.org/

Atmosferic Chemistry Int. Research

http://airsite.unc.edu/

NIOSH – Manual of Analytical Methods (National Institute for Occupational Safety and Health)

http://www.cdc.gov/niosh/nmam/nmammenu.html