We are improving our website to help you find what you're looking for. During this transition some URLs may change. Learn more...

Ecological Processes/Impacts Guidance for National Environmental Policy Act Reviews

These National Environmental Policy Act (NEPA) guidances provide information on how to incorporate ecological considerations into the preparation and review of environmental impact assessments. Specific guidance is provided for the analysis of ecological impacts from highway development activities and the evaluation of related ecosystem mitigation measures.

You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.