The author discusses energy conservation, and uses of renewable and nonrenewable energy sources in food production systems, from data and observations based on research conducted at the Land Institute.

This publication describes research, sponsored by the Land Institute, that compares energy subsidies to energy outputs (including food production) ratios of conventional agriculture and low-energy agriculture.

American Farmland Trust (AFT) works to stop the loss of productive farmland and to promote farming practices that lead to a healthy environment.

This is a publication of the Leopold Center for Sustainable Agriculture, Iowa State University. The research for this publication compared fuel use, distances traveled, and carbon dioxide emissions associated with the...

The Institute for Agriculture and Trade Policy, an organization whose "mission is to create environmentally and economically sustainable communities and regions through sound agriculture and trade policy." Its web site...