Jurisdiction: California

2017-02-06 North Dakota v. EPA Climate Change Mitigation Defense of Federal Standards

Multiple states joined as defendant-intervenors in support of EPA in lawsuit challenging New Source Performance Standards (NSPS) for carbon dioxide emissions from new and modified power plants.

California, Connecticut, Delaware, District of Columbia, Hawaii, Illinois, Iowa, Maine, Maryland, Massachusetts, Minnesota, New Hampshire, New Mexico, New York, Oregon, Rhode Island, Vermont, Virginia, Washington
2016-10-27 Connecticut v. Hyundai Motor Co. Air Pollution, Climate Change Mitigation Lawsuit vs. Private Actors

Multi-state settlement of consumer-protection claims against car manufacturers that overstated their vehicles’ fuel efficiency.

Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Maryland, Massachusetts, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, Tennessee, Texas, Virginia, Washington, Wisconsin
2016-10-01 Amendments to Proposition 65 Regulations Pesticides & Toxics Other

California Attorney General amended regulations under Proposition 65, a California disclosure law related to exposure to toxic chemicals.

California
2016-07-07 Settlement, California v. Volkswagen Air Pollution Lawsuit vs. Private Actors

California AG, working with the federal EPA, entered into two related settlements over Volkswagen’s use of defeat devices to evade emissions testing.

California
2016-06-22 Congressional Testimony on Toxic Substances Control Act (TSCA) Amendments Pesticides & Toxics Legislative Input

Letters and testimony providing recommendations on federal legislation amending the Toxic Substances Control Act (TSCA) to revise the process and requirements for evaluating and determining whether regulatory control of a chemical is warranted.

California, Hawaii, Iowa, Maine, Maryland, Massachusetts, New Hampshire, New York, Oregon, Rhode Island, Vermont, Washington
2016-05-18 Green 20 State AG Coalition Climate Change Mitigation Other

Group of 17 state AGs and Former Vice President Al Gore announced a coalition of states committed to taking creative steps to combat climate change, including investigations into fossil fuel companies and climate-related disclosures.

California, Connecticut, District of Columbia, Illinois, Iowa, Maine, Maryland, Massachusetts, Minnesota, New Mexico, New York, Oregon, Rhode Island, U.S. Virgin Islands, Vermont, Virginia, Washington
2016-05-17 Criminal Investigation of the Refugio Oil Spill Natural Resources, Water Pollution Criminal Case

Indictment of Plains All American Pipeline on Criminal Charges Resulting from the Refugio Oil Spill

California
2015-12-01 Ventura County and State of California v. Santa Clara Waste Water Solid & Hazardous Waste Criminal Case

Joint prosecution between the State of California and the County of Ventura against Santa Clara Waste Water, its parent company, and individual employees for criminal violations stemming from hazardous waste disposal.

California
2015-11-03 West Virginia v. EPA Climate Change Mitigation Defense of Federal Standards

Multi-state intervention to join EPA’s defense of Clean Power Plan against challenge mounted by other states and industry petitioners.

California, Connecticut, Delaware, District of Columbia, Hawaii, Illinois, Iowa, Maine, Maryland, Massachusetts, Minnesota, New Hampshire, New Mexico, New York, Oregon, Rhode Island, Vermont, Virginia, Washington
2015-06-29 Michigan v. EPA Air Pollution Defense of Federal Standards

Multiple states intervened in lawsuit to defend EPA standards regulating mercury and other air pollutants from the power sector.

California, Connecticut, Delaware, District of Columbia, Illinois, Iowa, Maryland, Massachusetts, Minnesota, New Hampshire, New Mexico, New York, North Carolina, Rhode Island, Vermont
2014-06-23 Utility Air Regulatory Group v. EPA Climate Change Mitigation Defense of Federal Standards

Multiple states intervened in lawsuit to defend EPA rules concerning regulation of greenhouse gas emissions from stationary and mobile sources.

California, Connecticut, Delaware, Illinois, Iowa, Maine, Maryland, Massachusetts, Minnesota, New Hampshire, New Mexico, New York, North Carolina, Oregon, Rhode Island, Vermont, Washington
2014-04-24 American Public Gas Assoc. v. Department of Energy Energy Amicus Brief, Defense of Federal Standards

Multi-state intervention in support of Energy Department proposed rule setting efficiency standards for residential gas furnaces.

California, Massachusetts, New York
2013-01-13 NRDC v. Abraham Energy Lawsuit vs. Federal Government

States joined NRDC lawsuit challenging the DOE’s attempt to lower energy efficiency standards for certain appliances under the Energy Policy and Conservation Act (ECPA).

California, Connecticut, Maine, Nevada, New Jersey, New York, Vermont
2012-06-02 New York v. Jackson Air Pollution Lawsuit vs. Federal Government

Multi-state lawsuit to force EPA to comply with Clean Air Act requirement to update and revise National Ambient Air Quality Standards (NAAQS) every five years.

California, Connecticut, Delaware, Maryland, Massachusetts, New Mexico, New York, Oregon, Rhode Island, Vermont, Washington
2011-06-20 American Electric Power v. Connecticut Climate Change Mitigation Lawsuit vs. Private Actors

Federal common law nuisance claim against five major electric power companies for their contribution to climate change through greenhouse gas emissions.

California, Connecticut, Iowa, New Jersey, New York, NYC, Rhode Island, Vermont, Wisconsin
2009-06-25 Defense of California Feed-in-Tariff Program Climate Change Mitigation, Energy Administrative Proceeding, Defense of State Rule

California AG filed brief with the California Public Utility Commission defending the state’s authority to use feed-in tariffs.

California
2009-02-24 American Farm Bureau Federation v. EPA Air Pollution Lawsuit vs. Federal Government

Multi-state lawsuit challenging the adequacy of EPA’s 2006 revision to the National Ambient Air Quality Standards (NAAQS) regulating soot pollution under the Clean Air Act.

Arizona, California, Connecticut, Delaware, District of Columbia, Illinois, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New Mexico, New York, Oregon, Pennsylvania, Rhode Island, Vermont
2009-02-08 New Jersey v. EPA Air Pollution Lawsuit vs. Federal Government

Multi-state challenge to EPA decision to remove fossil fuel-fired power plants from list of sources regulated under CAA section 112 (hazardous air pollutants) and to establish new performance standards for mercury emissions from these plants under CAA section 111.

California, Connecticut, Delaware, Illinois, Maine, Maryland, Massachusetts, Michigan, Minnesota, New Hampshire, New Jersey, New Mexico, New York, Pennsylvania, Rhode Island, Vermont, Wisconsin
2007-12-11 Central Valley Chrysler-Jeep, Inc. v. Goldstene Climate Change Mitigation Defense of State Rule

State AGs intervened in lawsuit to defend California’s greenhouse gas emission standards for motor vehicles against challenge alleging that the standards are preempted by the Energy Policy and Conservation Act (EPCA).

California, Connecticut, Maine, Massachusetts, New Jersey, New York, Oregon, Rhode Island, Vermont, Washington
2007-04-02 Massachusetts v. EPA Climate Change Mitigation Lawsuit vs. Federal Government

Multi-state challenge to EPA denial of petition to regulate greenhouse gas emissions from motor vehicles under Clean Air Act.

California, Connecticut, District of Columbia, Illinois, Maine, Massachusetts, New Jersey, New Mexico, New York, Oregon, Rhode Island, Vermont, Washington
2006-07-03 Pakootas v. Teck Cominco Metals, Ltd. Natural Resources, Solid & Hazardous Waste, Water Pollution Amicus Brief, Lawsuit vs. Private Actors

Washington State intervened and multiple states submitted Amicus Briefs in lawsuit filed by Native American tribe against Canadian smelting company for polluting the Columbia River and Lake Roosevelt.

Arizona, California, Idaho, Montana, Oregon, Washington
2006-03-17 New York v. EPA Air Pollution Lawsuit vs. Federal Government

Multi-state challenge to 2002 EPA rule amending and expanding the routine maintenance, repair and replacement exceptions to the New Source Review program.

California, Connecticut, Delaware, District of Columbia, Illinois, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New Mexico, New York, Pennsylvania, Rhode Island, Vermont, Wisconsin
2005-12-06 New York v. Bodman Energy Lawsuit vs. Federal Government

Multi-state lawsuit challenging the Department of Energy (DOE)’s failure to create energy efficiency standards for consumer appliances according to the timeline established by the Energy Policy and Conservation Act (ECPA).

California, Connecticut, Illinois, Iowa, New Hampshire, New Jersey, New Mexico, New York, North Carolina, Pennsylvania, Rhode Island, Vermont, Wisconsin
2005 New York v. EPA Air Pollution Lawsuit vs. Federal Government

Multi-state challenge to 2002 EPA rule amending the New Source Review (NSR) program and narrowing the definition of “modification” to exclude certain sources from NSR requirements.

California, Connecticut, Delaware, District of Columbia, Illinois, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Wisconsin