NCAT/ATTRA: National Center for Appropriate Technology / Appropriate Technology Transfer for Rural Areas.  A distribution center for sustainable agriculture information, "ATTRA provides technical assistance to farmers, Extension agents, market gardeners, agricultural researchers, and other ag professionals in all 50 states on the topics of sustainable farming production practices, alternative crop and livestock enterprises, and innovative marketing.  Technical assistance, publications, and resources are provided free of charge to appropriate users."

Sustainable Agriculture Research and Education: "SARE works to increase knowledge about -- and help farmers and ranchers adopt -- practices that are economically viable, environmentally sound and socially responsible. To advance such knowledge nationwide, SARE administers a competitive grants program first funded by Congress in 1988."

Organic Farming Research Foundation: Sponsors research related to organic farming practices, disseminates research results to organic farmers and to growers interested in adopting organic production systems, and educates the public and decision-makers about organic farming issues."

Holistic Management International, formerly known as The Savory Center, is a comprehensive educational website with over 150 pages of information about Holistic Management.  This site includes a secure server to order products, as well as a regularly updated events calendar.  You can learn about holistic management principles either from the detailed descriptions or from the many on-line articles available to you free.

Organic Consumers Association:  "The Organic Consumers Association (OCA) promotes food safety, organic farming and sustainable agricultural practices in the U.S. and internationally. They provide consumers with factual information they can use to make informed food choices." best resources for lending the cycle of chronic hunger and poverty that plagues two-thirds of the planet."

Heifer Project International: Heifer Project donates cattle, chicken, goats, and pigs to impoverished people around the world. "These animals (and training in their care) offer hungry families around the world a way to feed themselves and become self-reliant. Children receive nutritious milk or eggs; families earn income for school, health care and better housing; communities go beyond meeting immediate needs to fulfilling dreams. Farmers learn sustainable, environmentally sound agricultural techniques. HPI understands that livestock offer one of the best resources for lending the cycle of chronic hunger and poverty that plagues two-thirds of the planet."

The Stockman GrassFarmer, Allan Nation’s monthly periodical about the science and art of raising ruminants on pasture. 

An article about grass-based dairies, published in Agriculture Research magazine, a publication of the Agricultural Research Service.