The Organic Research Centre (ORC)
The UK’s leading independent research centre for the development of organic food production and land management solutions to key global issues including climate change, soil and biodiversity conservation, and food security. Established in 1980 it has a thriving research department covering everything from livestock to crops, soil, market development and business management. It undertakes national and international policy work, runs the Institute of Organic Training and Advice and has full information, publications and conference programme. 

Organic E-Prints
An international open-access archive for papers related to research in organic agriculture. The archive contains full-text papers in electronic form together with bibliographic information, abstracts and other metadata.

FiBL Organic Research
Website for the Research Institute of Organic Agriculture FiBL, Frick (Switzerland) and FiBL Germany - centres for research and consultancy on organic agriculture in Europe.

HDRA/Garden Organic
The organic organisation dedicated to researching and promoting organic gardening, farming and food. Pages on research and development, Heritage Seed Library, news and events. Also links up to HDRA's new Organic Weed Management website.

Institute of Biological, Environmental and Rural Sciences (IBERS)
Contains comprehensive information on a wide range of grass, clover, cereal and environmental research together with technical information sheets on the application of new farming techniques, including organic farming, clover, cereals and livestock management. Plus details of events and training courses.

The Nafferton Ecological Farming Group (NEFG)
NEFG is a research unit within the School of Agriculture, Food and Rural Development at Newcastle University. NEFG researchers focus on low-input and organic approaches to crop and livestock management, and are based at Nafferton, one of the university's research farms. The website provides useful information from the research group and from other sources, for those who are interested in organic and sustainable farming methods.

Organic Centre Wales
Organic Centre Wales (OCW) was established in 2000 as a focal point for the dissemination of information on organic food and farming to producers and other interested parties in Wales. Website includes research and development, training and education and a farm network

Organic Research Centre, Elm Farm
UK's leading research, policy and development institution for organic agriculture. ORC includes Wakelyns Agroforestry.

Scotland's Rural College
Consultancy, learning and research.

EU Organic Regulations
Aims to "collect and publish an organic standards database on the internet with information on differences between minimum 15 European organic standards and EU regulation 2092/91."

FAO Organic Agriculture
The Food and Agriculture Organisation of the United Nations offers information on organic agriculture with extensive links to other relevant websites.

IFOAM - International Federation of Organic Agriculture Movements
Worldwide umbrella organisation for the organic movement, uniting more than 750 member organisations in 108 countries. Extensive website with events pages, a bookstore and news.

Soil Association
Site with links to Soil Association Certification Ltd as well as news, events, education and an information centre.

Organic Farmers and Growers Ltd
Organic certification body providing events and technical information.

Organic dairy farm and a conference and study centre, combining education programmes with social enterprise, to work towards a more just and sustainable world.

Foundation of Rachel and Pamela Shiele
Conservation, education and research foundation in Argentina on a 3,500ha organic farm with indigenous pampas grasslands.

Institute of Organic Training & Advice (IOTA)
Professional body for UK and Irish trainers, advisers and other extension workers involved in organic food and farming.