William P. Horn - Washington, DC
Attorney at Birch Horton Bittner & Cherot
Environmental Law Lawyers in Washington, DC
1100 Connecticut Avenue, N.W. Suite 825 Washington, DC 20036
Washington Environmental Law Lawyer
Updated: 04/21/2026
Areas of Practice
- Environmental Law
- Land Exchanges and Acquisitions
- Legislative and Government Affairs
- Natural Resources and Energy Law
Attorney Information
Overview
William Horn specializes in natural resources law. He has extensive expertise in land acquisition and appraisal; wildlife law, including the Endangered Species Act and the Migratory Bird Treaty Act; national park concessions; Forest Service matters; recreation permits; and other public land and related regulatory matters. William’s experience in complex interstate land transactions includes the largest interstate land exchange ever consummated (the Arizona (Indian School)-Florida (Everglades) Exchange).
William has established an active and successful litigation as well as legislative practice. He frequently represents clients in the U.S. District Courts and the U.S. Courts of Appeal on matters including the Natural Environmental Policy Act, Endangered Species Act, National Park Organic Act and other public land, water and wildlife statutes. In the legislative area, he works primarily with the Senate Committee on Energy and Natural Resources, the Senate Committee on Appropriations and the House Committee on Natural Resources. William has secured enactment of numerous statutory provisions as well as key reports and conference directives. A recognized expert in the field of natural resources law, he is a frequent speaker at national seminars and conferences.
Awards and Honors
Honors
- International Academy of Trial Lawyers Advocacy Award
- Outstanding Service Award, United States Department of the Interior
- Department of the Interior, Outstanding Service Award
Education
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Legal Education
-
American University, Washington College of Law,
Washington,
District of Columbia, 1983
J.D.
-
American University, Washington College of Law,
Washington,
District of Columbia, 1983
-
Non Legal Education
-
American University,
Washington,
District of Columbia, 1972
B.A.
Honors: With Honors
-
American University,
Washington,
District of Columbia, 1972
Current Employment Position(s)
-
Of Counsel
Past Positions
- United States Department of the Interior, Assistant Secretary, 1985 - 1988
- U.S. Department of the Interior Deputy Undersecretary 1981-84
- U.S. Commissioner U.S.-Canada Great Lakes Fishery Commission 1982-88
References
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Bismuth Cartridge Co., Dallas, Texas
-
Wildlife Legislative Fund of America, Columbus, Ohio
Pro Bono Activities
- President to Falling Spring Greenway, Inc.
- National Academy of Sciences, Board on Environment Studies and Toxicology
- National Academy of Sciences, Committee on the Independent Scientific Review of Everglades Restoration Progress
- Chairman, National Wildlife Refuge Centennial Commission
- Vice Chairman, Bonefish Tarpon Trust
- President, Friends of the Teton River
- Trout Unlimited, Board of Directors
Published Works
Articles
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Private Claims and Public Resources, Natural Resources and Environment American Bar Association, Spring, 1990
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The Legislative Labyrinth: A Map for Not-For-Profits “Introduction to the Legislative Process”; John Wiley & Sons, 2001
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Seasons on the Flats: An Angler’s Year in the Florida Keys, Stackpole Books, August, 2012
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Keys Weekly Newspaper, Columnist, 2013-2014
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On The Bow: Love, Fear and Fascination in Pursuit of Bonefish, Tarpon and Permit, Stackpole Books, 2021
- Co-Author Appalachian Grouse Dog, Catamount Press, 2021
- Contributor A Passion for Grouse, Wild River Press, 2013
Bar Admissions
- District of Columbia, 1983
- U.S. Court of Appeals District of Columbia Circuit
- U.S. Court of Appeals 9th Circuit
- U.S. Court of Appeals 10th Circuit
- U.S. Supreme Court
- U.S. District Court for the District of Columbia
- U.S. Court of Federal Claims
Other Affiliations
- District of Columbia Bar (Member)
Photo
Contact
1100 Connecticut Avenue, N.W.
Suite 825
Washington, DC 20036
Phone: 907-276-1550
Fax: (202) 659-1027
Email: Send a message
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