IFOAM - The International Federation of Organic Agriculture Movements has 760 members (farmers' and consumers' associations, certification organizations, research and university foundations, etc.) and is active in 200 countries.
Organic Centre Wales (OCW) – The Organic Centre Wales is based at Aberystwyth University. Its website offers technical information to producers, as well as info on the transition to organic farming, lessons, and publications on organic food marketing and processing.
Organic Consumers Association (OCA) – The page offers information on legislation and campaigns for sustainable agriculture, as well as an extensive list of environmentally-friendly products.
The New Farm – An on-line newsletter issued by the Rodale Institute providing practical advice on organic farming
Organic-World.net – A collection of statistics and data on organic farming throughout the world (an IFOAM/FiBL collaboration).