Case Updates
D.C. Circuit holds that EPA correctly issued secondary NAAQS under the Clean Air Act without engaging in Endangered Species Act consultation
August 25, 2026
U.S. Chamber files coalition amicus brief urging D.C. Circuit to hold that EPA correctly issued secondary NAAQS under the Clean Air Act without engaging in Endangered Species Act consultation
October 06, 2025
U.S. Chamber Coalition Amicus Brief
Elbert Lin, Lucinda Minton Langworthy, and Erica N. Peterson of Hunton Andrews Kurth LLP served as outside counsel.
Case Documents
- U.S. Chamber Coalition Amicus Brief -- Center for Biological Diversity v. EPA (D.C. Circuit)
- Opinion -- Center for Biological Diversity v. EPA (D.C. Circuit)