Bio-Dynamic Farming and Gardening Association, Inc. - a source for data, contact information, and books about the biodynamics approach to ecological farming.

California Certified Organic Farmers - promotes and supports organic agriculture in California and elsewhere through organic certification for grower, processors and handlers and programs to increase awareness of and demand for certified organic product.

Canadian Organic Growers - national information network for organic farmers, gardeners and consumers.

Canberra Organic Growers Society - non-profit organization that provides a forum for organic growers to exchange information and encourage the general public to adopt organic growing methods.

International Federation of Organic Agriculture Movements - represents the worldwide movement of organic agriculture and provides a platform for global exchange and cooperation.

Maine Organic Farmers and Gardeners Association - helps farmers and gardeners grow organic food and supports sustainable and vibrant rural communities.

Michigan Organic Food and Farm Alliance - a non-profit organization created in 1992 to create more public awareness about the nature of the present corporately controlled food supply.

National Organic Program - information about the USDA's proposal to implement national organic standards.

Organic Cotton Site - learn about the efforts of farmers, manufacturers, activists, retailers, and consumers to make organic cotton a viable agricultural and economic alternative.

Organic Crop Improvement Association - contains newsletters, certification documents, and upcoming events.

Organic Farming Research Foundation - production, marketing, and demographic information about organic farming. Grant-making program for on-farm organic farming research.

Organic Indiana - directory of Hoosier farms, groups, and communities involved in organic farming, permaculture, sustainable agriculture, etc.

Organic Material Review Institute - non-profit organization created to publish generic and brand name lists of materials allowed in the production, processing, and handling of organic food and fiber.

Organic Perspectives - online service provided by USDA's Foreign Agricultural Service with information on organics in other countries.

Organic Trade Association - a national association representing the organic industry in Canada and the United States.

Texas Organic Growers Association - mission to enhance the credibility of organic agriculture as a viable approach in the production of food and fiber.

Alternative Energy Resources Organization

Alternative Farming Systems Information Center - the National Agricultural Library of the U.S. Department of Agriculture offers this comprehensive resource on sustainable agriculture.

Center for Sustaining Agriculture and Natural Resources - mission to develop and foster agriculture and natural resource management approaches that are economically viable, environmentally sound, and socially acceptable.

Community Alliance with Family Farmers

The Food Alliance - a non-profit organization based in Portland, Oregon, dedicated to promoting sustainable agriculture via market-based incentives like the TFA-Approved seal of approval.

Future Harvest - builds public understanding of the importance of international agricultural research to global peace, prosperity, environmental renewal, health, and the alleviation of suffering.

Green & Growing: From The Ground Up - began as a Environmental Education teachers' lesson guide on food, agriculture, and sustainable development.

Henry A. Wallace Institute for Alternative Agriculture

Homestead.org - resource directory/online magazine covering homesteading: sustainable, organic, small-scale farming, permaculture, self-suffiency, biodiversity, etc.

InterGarden - find archives of sustainable agriculture mail and newsgroups.

International Alliance for Sustainable Agriculture - mission to support ecologically sound, economically viable, socially just and humane projects on a personal, organizational and planetary level.

Minnesota Institute for Sustainable Agriculture - Agricultural, Food, and Environmental Sciences at the University of Minnesota.

Multinational Exchange for Sustainable Agriculture - non-profit organization that sponsors international farmers for 6-12 months in job-training programs with U.S. organic/sustainable farms.

Nebraska Sustainable Agriculture Society - projects, newsletters and membership information.

North Central Institute for Sustainable Systems - an initiative to provide practical experiential learning opportunities in sustainable agricultural systems.

Novartis Foundation for Sustainable Development - activities include project work in agriculture, health and social development, compiling information on development issues, and providing emergency aid.

Rodale Institute - works with people worldwide to achieve a regenerative food system that renews environmental and human health.

Sustainable Agriculture Network - the communications and outreach arm of the Sustainable Agriculture Research and Education (SARE) program.

Sustainable Development Dimensions - resources from the Food and Agriculture Organization of the United Nations (FAO).

Sustainable Farming Connection - mission to bring farmers the information they need to cut costs, grow healthy food, build strong rural communities and improve the environment.

Sustainable Practices for Vegetable Production in the South - a large amount of information on sustainable agriculture, e.g. soil management, cover crops and living mulches, and more.

Winrock International Institute for Agricultural Development - not-for-profit agricultural development organization.