ATTRA's COVID-19 statement

Spring Update: You can now download any of our technical materials for FREE!


Technical Resources on ATTRA Website Free of Cost

The National Center for Appropriate Technology, home of the ATTRA Sustainable Agriculture program, is pleased to announce it is now providing all the technical resources on the ATTRA website at no cost. This means that you no longer need to pay an annual subscription fee or individual publication fee to access any of our digital publications, videos, podcasts, and other resources and materials. Remember that we still rely on private income to make ends meet and hope you will consider a tax-deductible donation. Visit to learn more and to make your contribution.