July 10, 2026
The second half of 2026 could see courts delivering important rulings that will determine whether municipalities can set their own building emissions laws, the extent of California's authority to regulate pollution and citizens' power to enforce the Clean Air Act. Here, Law360 takes a look at five environmental cases that could be resolved before the end of the year.
January 30, 2026
The Trump administration has urged a D.C. federal judge to nix a lawsuit by green groups that claim it violated the Clean Air Act by postponing emission standard compliance deadlines for 50 chemical manufacturing facilities, arguing they lack standing since they fail to sufficiently allege injury from all facilities that received exemption.
October 22, 2025
President Donald Trump violated the Clean Air Act when he delayed deadlines to comply with air pollution standards for companies in the chemical manufacturing industry, green groups alleged in Washington federal court Wednesday.