If you have questions about EPA's international efforts, please browse the pages exploring EPA's International Cooperation to find your topic of interest.  You can also learn more about the Office of International and Tribal Affairs.

If you cannot find the answer to your question, please use the form below to send us comments or questions. Be sure to include your e-mail address if you’d like a response.  You can also email us.

Please note that while we strive to respond to every question submitted with an answer or an appropriate referral as quickly as possible, responses can take some time.

Mailing Address:

U.S. Environmental Protection Agency
Office of International and Tribal Affairs (2610R)
1200 Pennsylvania Ave., NW
Washington, DC 20460

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