United States Of America et al v. State Of New York et al

  1. July 10, 2026

    Top 5 Enviro Cases To Watch In The 2nd Half Of 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.

  2. January 02, 2026

    Energy And Environmental Cases To Watch In 2026

    This year promises to be a big one for energy and environmental cases, with courts slated to consider California's authority to regulate vehicle emissions, the federal government's authority to rescind grant funding and whether the president can fire certain agency officials. Here, Law360 takes a look at key energy and environmental cases to watch at the U.S. Supreme Court and elsewhere.

  3. October 30, 2025

    Green Groups Can't Intervene In Feds' NY Superfund Suit

    A New York federal judge won't let environmental groups intervene in the U.S. Environmental Protection Agency's suit challenging a New York state Superfund law, saying the addition of five defendants would overcomplicate the litigation.

  4. October 28, 2025

    NY, Green Orgs. Say Feds Can't Block Climate Superfund Law

    The state of New York and a group of environmental organizations on Tuesday pushed back on the federal government's motion for summary judgment in a suit challenging the state's new Superfund law, saying the court should reject the U.S. Environmental Protection Agency's argument that New York's law is preempted.

  5. August 05, 2025

    NY Loses Bid To Move Climate Superfund Suit Upstate

    The federal government's lawsuit challenging New York's climate change Superfund law will proceed in the New York City court where it was filed, rather than in a judicial district closer to the state capitol as the state had requested, a judge said.

  6. July 21, 2025

    Energy Litigation To Watch In The 2nd Half Of 2025

    Courtroom showdowns between the Trump administration and blue states over U.S. energy and climate change policy will dominate the energy litigation landscape for the rest of 2025. Here is what the energy industry will be watching closely in the second half of the year.

  7. July 16, 2025

    US Fights NY's Bid To Move Climate Superfund Suit Upstate

    The federal government is urging a Southern District of New York judge not to transfer its lawsuit challenging the state's climate change Superfund law to the Northern District, where it would join similar litigation filed by several Republican-led states.

  8. July 07, 2025

    Biggest Enviro Cases To Watch In 2025: Midyear Report

    Law360 previews the lawsuits environmental attorneys will be watching closely during the second half of 2025, including the Trump administration's challenge to states' efforts to slow climate change, a lawsuit seeking to continue federal funding for climate change projects and product liability cases over forever chemicals in consumer goods.

  9. June 16, 2025

    NY Seeks To Move Feds' Climate Superfund Suit Upstate

    The Trump administration's lawsuit challenging New York's climate change Superfund law should be transferred from the Southern District of New York to the Northern District, where it can join a similar lawsuit lodged by several Republican-led states, New York told a federal judge.

  10. May 01, 2025

    Feds Sue To Block State Climate Suits, Superfund Laws

    The federal government sued to block two states' climate change Superfund laws and stop two other states from launching threatened lawsuits against fossil fuel companies, saying the states' actions jeopardize national energy security.