On May 16, 2025, the U.S. Court of Appeals for the Fifth Circuit issued a significant ruling in a longstanding dispute between the Texas Commission on Environmental Quality (TCEQ) and the U.S. Environmental Protection Agency...more
The U.S. 5th Circuit Court of Appeals gave a big win to the EPA when it upheld a Biden-era ozone ruling affecting Louisiana and Texas, but there was also a set-back for the EPA when the Court both upheld the ability of such...more
The Environmental Protection Agency’s implementation of the 2015 National Ambient Air Quality Standards “Good Neighbor Plan” (GNP) was met with a fury of legal challenges (see ELM’s previous coverage of EPA’s GNP here)....more