On June 24, the Fish and Wildlife Service (FWS) and the National Oceanic and Atmospheric Administration (NOAA) (together, the Services) issued a final rule that removes the definition of “habitat” from the Code of Federal Regulations, 50 C.F.R. § 424.02. The final rule follows the FWS’ proposal issued on October 27, 2021; the definition the…

EPA’s standards for hazardous air pollutant (HAP) emissions from industrial boilers have been controversial for nearly two decades. Ever since EPA first proposed “maximum achievable control technology” (MACT) standards for boilers in 2003, which were then entirely vacated by the D.C. Circuit, each new iteration of the rule has raised new legal issues and often…

On June 28, a coalition of 11 environmental groups petitioned the U.S. Environmental Protection Agency (EPA) under the Administrative Procedure Act and the Clean Air Act to address the alleged failure of Texas Commission for Environmental Quality (TCEQ) to comply with and properly implement public participation and environmental justice requirements in its air permitting program.…

On the last day of what was already an historic term, the Supreme Court issued another significant decision impacting EPA’s authority under the Clean Air Act to regulate greenhouse gas emissions and address climate change. As EPA embarks on a third attempt at a rule targeting CO2 emissions from existing power plants that will pass…

The Endangered Species Act (ESA) regulations promulgated by the Trump administration (Trump ESA Rules) were challenged by environmental groups. While that challenge was pending, the Biden administration announced that those regulations would be revised. On July 5, the U.S. District Court for the Northern District of California vacated the Trump ESA regulations, not on the…

On March 31, the U.S. District Court for the District of Columbia denied an appeal filed by the Natural Resources Defense Council (NRDC) and other conservation groups seeking to overturn a National Marine Fisheries Service (NMFS) decision not to protect two types of river herring, alewife, and blueback herring under the Endangered Species Act (ESA).…

On June 7, the U.S. Fish and Wildlife Service (FWS) issued a proposed rule titled, “Endangered and Threatened Wildlife and Plants; Designation of Experimental Populations.” In issuing the proposed rule, FWS re-affirms its authority to designate and introduce experimental populations of protected species into areas of habitat outside of their historical range when climate change,…