Greenpeace is an independent global campaigning organisation that acts to change attitudes and behaviour, to protect and conserve the environment and to promote peace.
http://www.greenpeace.org/international/en/
Fair trade is an alternative approach to conventional trade based on a partnership between producers and traders, businesses and consumers. The international Fairtrade system - made up of Fairtrade International and its member organizations - represents the world's largest and most recognized fair trade system.
http://www.fairtrade.net/about-fairtrade.html
EFET was established by virtue of L. 2741/GG 199/28-09-1999. It is a public entity supervised by the Μinistry of Rural Development and Food.
Demeter is the only ecological association that has built up a network of individual certification organisations world-wide.