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
On June 17, 2025, the U.S. Environmental Protection Agency (“EPA”) published a proposed rule to repeal the amendments to the Mercury and Air Toxics Standards (“MATS”) adopted by the Biden administration in 2024. These...more
The US Environmental Protection Agency recently issued a proposed rule and accompanying press release announcing its intent to repeal both the 2015 greenhouse gas emissions standards for new fossil fuel-fired power plants...more
If finalized, the rule would eliminate both Obama- and Biden-era limits on GHG emissions from fossil fuel-fired power plants. On June 11, 2025, the US Environmental Protection Agency (EPA) released a proposed rule under...more
Pennsylvania and RGGI – Decision and Resolution - On November 1, 2023, the Commonwealth Court of Pennsylvania, in a five-judge panel decision, issued a long-awaited ruling denying the authority of the executive branch,...more
It has been publicly reported that the Biden Administration's EPA will shortly "announce limits on greenhouse gas emissions from power plants that could compel them to capture the pollution from their smokestacks." In...more
The Court has now delivered its final two decisions of the term, one of them of great consequence to administrative law. With adjournment comes the retirement of Justice Stephen Breyer and the swearing-in of his successor,...more
EPA recently issued a proposed rule (“the Proposed Rule”) regarding the Mercury and Air Toxics Standards (MATS), which regulate hazardous air pollutant (HAP) emissions from coal and gas-fired electric generating units (EGUs)...more
Appeals court halts ruling blocking Biden climate metric - The Hill - March 16 - The Fifth Circuit Court of Appeals on Wednesday halted a lower court’s ruling that prevented the Biden administration from factoring the...more
EPA’s power to curb greenhouse gases faces Supreme Court scrutiny - Courthouse News Service – October 29 - The Supreme Court announced last Friday that it will hear challenges brought by the states of West Virginia...more
In 2015, the U.S. Environmental Protection Agency ("EPA") adopted the Clean Power Plan ("CPP") pursuant to Clean Air Act ("CAA") Section 111. The CPP set out guidelines to help states develop individual plans to limit carbon...more
The Carbon Quarterly is a newsletter covering developments in carbon policy, law, and innovation. No matter your views on climate change policy, there is no avoiding an increasing focus on carbon regulation, resiliency...more
On 19 January 2021, the eve of inauguration for the Biden Administration, the United States Court of Appeals for the District of Columbia Circuit (D.C. Circuit) struck down the Affordable Clean Energy Rule (ACE Rule)....more
U.S. EPA recommends testing wastewater for PFAS - Bullet Chemical & Engineering News – December 1 - Certain facilities may have to test for the presence of per- and polyfluoroalkyl substances (PFAS) in their...more