BOARD OF COUNTY COM'RS v. SUNCOR ENERGY (U.S.A.)

Attorney(s) appearing for the Case

Kannon K. Shanmugam , Paul, Weiss, Rifkind, Wharton & Garrison LLP, Washington, D.C. ( William T. Marks , Paul, Weiss, Rifkind, Wharton & Garrison LLP, Washington, D.C.; Theodore V. Wells, Jr. , Daniel J. Toal , Jaren Janghorbani , Paul, Weiss, Rifkind, Wharton & Garrison LLP, New York, New York; Colin G. Harris , Faegre Baker Daniels LLP, Boulder, Colorado; and Hugh Quan Gottschalk , Evan B. Stephenson , Wheeler Trigg O'Donnell LLP, Denver, Colorado, with him on the briefs), for Defendants-Appellants.

Richard Herz , EarthRights International, Washington, D.C. ( Marco Simons , Sean Powers , Michelle Harrison , EarthRights International, Washington, D.C.; David G. Bookbinder , Niskanen Center, Washington, D.C.; and Kevin S. Hannon , The Hannon Law Firm, Denver, Colorado, with him on the brief), for Plaintiff-Appellee.

Peter D. Keisler , C. Frederick Beckner III , and Ryan C. Morris , Sidley Austin LLP, Washington, D.C., filed an amicus brief on behalf of Chamber of Commerce of the United States of America.

W. Eric Pilsk , Sarah M. Keane , Sara V. Mogharabi , and Samantha R. Caravello , Kaplan Kirsch & Rockwell LLP, Denver, Colorado, filed an amicus brief on behalf of Colorado Communities for Climate Action.

Robert S. Peck , Center for Constitutional Litigation, P.C., Washington, D.C., filed an amicus brief on behalf of the National League of Cities, the United States Conference of Mayors, and the International Municipal Lawyers Association.

Peter Huffman , Natural Resources Defense Council, Washington, D.C., filed an amicus brief on behalf of the Natural Resources Defense Council.

Scott L. Nelson and Allison M. Zieve , Public Citizen Litigation Group, Washington, D.C., filed an amicus brief on behalf of Public Citizen.

Before LUCERO, HOLMES, and McHUGH, Circuit Judges.