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Delegation of legislative authority

Defenders of Wildlife v. Chertoff

A district court dismissed environmental groups' claim that the Department of Homeland Security's waiver of various federal environmental laws with respect to the construction of a fence along the U.S.-Mexican border under the REAL ID...

American Trucking Ass'n v. EPA

The court denies in part and grants in part the U.S. Environmental Protection Agency's (EPA's) petition for rehearing of a decision holding that EPA's revised national ambient air quality standards (NAAQS) for ozone were not based on...

American Trucking Ass'n v. EPA

The court holds that the U.S. Environmental Protection Agency's (EPA's) construction of the Clean Air Act (CAA) in promulgating the revised national ambient air quality standards (NAAQS) for ozone and particulate matter (PM) effects an...