Follow Organic Seed Alliance

National Organic Coalition

Center for Food Safety

Union of Concerned Scientists

Rural Advancement Foundation International - USA

The Organic Center

Food & Water Watch

Western Organization of Resource Councils

Beyond Pesticides

ETC Group

The Organic & Non-GMO Report Monthly publication focusing on the threats posed by genetically engineered crops and foods. Also publish an annual directory, The Non-GMO Sourcebook, that lists global suppliers of non-GMO and organic seed, grains, food ingredients, and food products.

GRAIN is an international non-governmental organization promoting the sustainable management and use of agricultural biodiversity based on people's control over genetic resources and local knowledge.

United Nations Food & Agricultural Organization (FAO)

Information Systems for Biotechnology is a database with information on field trials and applications for release of biotech plants and products.

Transgenic Crops: An Introduction and Resource Guide (Colorado State) Read the pros and cons to biotech from this university's perspective.  It provides good basic answers to the "What is it?" and "How is it done?" questions.

USDA/APHIS Animal and Plant Health Inspection Service