http://www.fao.org/docrep/005/v9878e/v9878e00.HTM
http://www.4c-coffeeassociation.org/en/
http://www.conservationgrade.org/
http://www.cosmos-standard.org/
http://www.ecocert.com/en
http://www.ecosystemmarketplace.com/
http://www.equator-principles.com/
http://www.europeanbiodiversitystandard.eu/
http://www.eib.org/about/index.htm
http://www.fairtrade.net/