Contact Us About the AgSTAR Program

International Anaerobic Digestion

Have a question about anaerobic digester use outside the U.S.? Visit the Global Methane Initiative website or contact secretariat@globalmethane.org.

AgSTAR can help with your request

Use the form below to let us know if you:

  • Have an anaerobic digester project story or update to share.
  • Have a technical question that is not addressed on our Planning Anaerobic Digester Projects page.
  • Want to receive updates from AgSTAR about anaerobic digester projects and programs.
  • Have general questions or feedback about AgSTAR or this website.

If you are a vendor that wants to be listed in the Vendor Directory, please add your company's information to the contact form below.

For media or press inquiries, please visit EPA’s Media Contacts site for more information.

Regular or certified mail address
US EPA AgSTAR Program
MC 6207A
1200 Pennsylvania Ave., NW
Washington, DC 20460

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US EPA AgSTAR Program
1201 Constitution Ave., NW
Room 4355KK
Washington, DC 20005

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Last updated on March 12, 2025