A district court denied public interest groups' motion for partial summary judgment in challenging an executive order that requires federal agencies to repeal two existing rules for each new…

A district court held that public interest and environmental groups lacked standing to challenge the "two-for-one" executive order issued by President Trump on January 30, 2017. The…

The court dismisses a petition challenging a U.S. Environmental Protection Agency (EPA) rule allowing the director of an approved state landfill to grant variances from EPA criteria for sanitary…

The court denies an electric utility association's petition to review the U.S. Environmental Protection Agency's (EPA's) interpretation of its state and federal operating permit…

The court holds that an environmental group and a trade association lack standing to challenge the U.S. Environmental Protection Agency's (EPA's) hazardous wastewater treatment sludge…

The court holds that an association of churches has standing to bring a Resource Conservation and Recovery Act (RCRA) citizen suit against the owner of a site contaminated with chromium, but that…

The court vacates a portion of a U.S. Environmental Protection Agency (EPA) regulation in which it determined that oil-bearing wastewaters generated by the petroleum refining industry are solid…

The court holds that environmental groups have standing to bring a Clean Air Act (CAA) action against a Texas oil refinery for violating hydrogen and sulfur dioxide emission standards and further…

The court holds that a waste haulers association has standing to assert a U.S. Commerce Clause claim against a district waste authority for enacting a system of flow control ordinances that…

The court reverses a district court decision that environmental groups failed to demonstrate injury-in-fact and, therefore, do not have standing to bring a citizen suit under the Clean Water Act…