West Virginia vs. EPA Part II: U.S. Supreme Court Applies the Major Questions Doctrine to limit EPA Regulatory Authority
West Virginia vs. EPA: An Environmental Regulations Case with Broad Implications for Agency Power
Jones Day Talks: Developments in Germany's Wind Power Regulations
On June 11, 2025, the US Environmental Protection Agency, under Administrator Lee Zeldin, proposed repealing two key Biden–Harris-era rules targeting greenhouse gas and air toxic emissions from fossil fuel–fired power plants....more
Two weeks ago, the Environmental Protection Agency (EPA) released its proposed repeal of the rules governing greenhouse gas emissions from fossil fuel-fired power plants. Included within the proposal is a new legal...more
The U.S. Environmental Protection Agency (EPA) proposes to eliminate greenhouse gas regulations for power plants after concluding that power plants do not "contribute significantly" to dangerous air pollution or,...more
Key Takeaways - - Pursuant to President Trump’s executive order seeking to maximize the secretary of energy’s emergency authority under Section 202(c) of the Federal Power Act, the secretary’s two new orders have halted the...more
The Energy Regulatory Commission (Comisión Reguladora de Energía or CRE) in Mexico, on May 6, 2024, published on the web portal of the National Commission for Regulatory Improvement (Comisión Nacional de Mejora Regulatoria or...more
In the world of air quality and climate change, summer 2022 began with a bang, as the Supreme Court finally spoke on the merits of EPA’s efforts to regulate carbon dioxide emissions from power plants under Section 111 of the...more
The U.S. Supreme Court’s decision in West Virginia v. EPA has received much press as a decision that limits regulations designed to address climate change. But in reality, it was not so much an environmental law case...more
On June 30, 2022, the United States Supreme Court handed down its opinion in West Virginia v. Environmental Protection Agency, holding by a 6-3 majority that the U.S. Environmental Protection Agency (“EPA”) overstepped its...more
On June 30, 2022, in a 6-3 decision, with Chief Justice John G. Roberts Jr. writing for the majority, the United States Supreme Court issued a decision in West Virginia v. EPA limiting the EPA’s ability to regulate carbon...more
On June 30, 2022 the Supreme Court decided West Virginia v. EPA. This case not only has environmental law implications, but also speaks directly to executive agency overreach in potentially many other contexts. On its face,...more
What Happened: West Virginia v. EPA - In West Virginia v. EPA, the Supreme Court ruled in favor of Jones Day client, the North American Coal Corporation, and determined that the EPA did not have clear authorization from...more
On June 30, 2022, the Supreme Court held that the U. S. Environmental Protection Agency (EPA) does not have the authority under the Clean Air Act (CAA) to promulgate a program requiring power plants to shift away from coal to...more
On June 30, 2022, the U.S. Supreme Court held in West Virginia v. Environmental Protection Agency, 597 U.S. ___ (2022), that the Clean Air Act did not clearly authorize the Environmental Protection Agency (EPA) to create the...more
The Clean Power Plan is a program developed by the Environmental Protection Agency to reduce greenhouse gas emissions by forcing electric power generation to shift from coal-fired plants to renewable sources, such as wind and...more
On June 30th, the United States Supreme Court issued its decision in West Virginia v. EPA. The Court concluded that the EPA had exceeded its authority under the Clean Air Act by establishing emission caps in the Clean Power...more
In one of the most significant environmental opinions of our time, the Supreme Court held in West Virginia v. EPA that Section 111(d) of the Clean Air Act does not give the Environmental Protection Agency (EPA) authority to...more
On June 30, 2022, the United States Supreme Court issued its long-awaited decision in West Virginia et al. v. Environmental Protection Agency et al., which invalidated the Clean Power Plan (“CPP”), an Obama-era regulation...more
On June 30, 2022, the United States Supreme Court issued its long-awaited decision in West Virginia v. EPA, a case challenging the scope of the United States Environmental Protection Agency’s (“EPA’s”) authority to regulate...more
On June 30, 2022, the U.S. Supreme Court decided West Virginia et al. v. Environmental Protection Agency, holding that the EPA lacks authority under Section 7411(d) of the Clean Air Act to limit greenhouse gas emissions from...more
On June 30, the last day of an historic term, the Supreme Court issued its decision in West Virginia v. EPA. As expected, the Court struck down EPA's 2015 Clean Power Plan (CPP), which was intended to reduce greenhouse gas...more
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...more
On 30 June 2022, the U.S. Supreme Court issued a decision in West Virginia v. Environmental Protection Agency, limiting the U.S. Environmental Protection Agency’s (EPA) power to regulate carbon emissions from power plants...more
The U.S. Supreme Court rejected the U.S. Environmental Protection Agency’s (EPA) ability to regulate greenhouse gas emissions based on shifting from existing generation sources under Section 111(d) of the Clean Air Act (CAA)....more
In a 6-3 opinion, the high court struck a major blow to the United States Environmental Protection Agency (the EPA), ruling the EPA cannot provide states with the right to issue regulations reducing the amount of carbon...more
The Court’s Decision in West Virginia v. Environmental Protection Agency Opens the Door For Courts to Reconsider and Potentially Erode Chevron Deference - Last Thursday, the U.S. Supreme Court announced a 6-3 decision...more