American Petroleum Institute, Amicus Curiae
The American Petroleum Institute is a trade association representing the U.S. oil and natural gas industry. The following is excerpted from the Amicus Curiae Brief for Petitioners as submitted to the U.S. Supreme Court on May 21, 2026. The Colorado Supreme Court erred in ruling that respondents could bring state-law tort claims seeking damages for injuries allegedly caused by global greenhouse gas emissions and global climate change. For over a century, this court has held that interstate air and water pollution are inherently federal domains, governed exclusively by federal common law or statute. Accordingly, claims alleging that out-of-state emissions cause…
