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National Center For Appropriate Technology




ATTRA is a program developed and managed by the National Center for Appropriate Technology (NCAT). The majority of funding for ATTRA is through a cooperative agreement with the U.S. Department of Agriculture’s Rural Business-Cooperative Service.  We are committed to providing high-value information and technical assistance to farmers, ranchers, Extension agents, educators, and others involved in sustainable agriculture in the United States. If you’d like to support our work in sustainable agriculture, green energy, and community climate resilience, consider becoming a Friend of ATTRA!

The National Center for Appropriate Technology (NCAT) is a private nonprofit organization, founded in 1976, that manages a series of projects that promote self-reliance and sustainable lifestyles through wise use of appropriate technology. Its programs deal with sustainable agriculture, sustainable and renewable energy, energy conservation, resource-efficient housing, and sustainable community development.