Podcast - Diamond Alternative Energy, LLC v. EPA: The Intersection of Constitutional and Environmental Law
SCOTUS Clean Air Act Cases: What’s New?
Unpacking California's 2024 Zero Emission Fleet Mandate
West Virginia vs. EPA Part II: U.S. Supreme Court Applies the Major Questions Doctrine to limit EPA Regulatory Authority
[Webinar] Growing Greener: Navigating Environmental Laws in the Cannabis Industry
Nota Bene Episode 101: Catching up with Global Climate Regulation with Nico van Aelstyn
Schoenbrod: SCOTUS Ruling Helps EPA Deal With a "Stupid Statute"
Law Prof: The Clean Air Act Needs a Reboot
On June 11, 2025, the U.S. Environmental Protection Agency ("EPA") announced a proposed rule to repeal key amendments to the 2024 Mercury and Air Toxics Standards ("MATS") for coal- and oil-fired electric utility steam...more
The U.S. Environmental Protection Agency ("EPA") announced an agenda to revisit numerous regulations addressing the emission of greenhouse gases ("GHGs")....more
On March 12, 2025, EPA announced 31 intended actions by the agency in furtherance of the Administration’s goals of “Unleashing American Energy,” “Lowering the Cost of Living for American Families,” and “Advancing Cooperative...more
The Trump administration has declared March 12, 2025, as “the greatest and most consequential day of deregulation in the history of the United States.” United States Environmental Protection Agency Administrator, Lee Zeldin,...more
On March 14, 2025, President Trump signed legislation disapproving the Environmental Protection Agency’s regulation implementing the Inflation Reduction Act’s tax on methane emissions from the oil and gas sector. The Joint...more
The EPA administrator announced 31 deregulatory actions the agency will prioritize. On March 12, 2025, the Environmental Protection Agency (EPA) released a video and accompanying press release from Administrator Lee...more
The Trump administration is taking steps to challenge California’s authority to set stricter vehicle emissions standards by targeting state rules that mandate the sale of zero-emission vehicles (ZEVs). Last Friday, U.S....more
The Biden administration introduced wide-ranging environmental regulations with profound and far-reaching effects on the environment and the economy. In its first two weeks, the Trump administration has signaled an attempt...more
Amid uncertainty over future staffing and funding levels, Environmental Protection Agency (EPA) Administrator Lee Zeldin announced a new priority list for the agency titled the “Powering the Great American Comeback...more
A group of 23 Republican AGs filed a petition for review in the U.S. Court of Appeals for the D.C. Circuit of the EPA’s Final Rule requiring charges on certain oil and gas producers exceeding Congressional methane emissions...more
While still a newly minted lawyer early in 1977, I had the good fortune to land a job with the then brand-new Rhode Island Department of Environmental Management. This coincided with the 1976 election of Jimmy Carter as...more
Coal production and mining jobs over the past half-century have been influenced by several factors, principally demand from the utility sector, technological breakthroughs in natural gas production, railroad deregulation, and...more
As we enter 2024, we once again review the most significant legislation, policy changes and regulatory actions with respect to climate change taken by California in the past year. In contrast to 2022, which brought a revamp...more
What’s Next in the Regulation of Methane Emissions? Previously in our sessions, I have discussed carbon dioxide and what policymakers should do about it. Last month I explained it in full in a speech to the Independent...more
After years of attempts with varying success to regulate methane emissions from new oil and gas wells, the Biden administration has shifted strategy in proposing a regulatory program covering both new and existing oil and...more
The first action proposes first-time emission guidelines to reduce methane emissions from almost 1 million existing oil and gas wells, almost 2,000 existing interstate natural gas compressor stations, and over 500 existing...more
In the upcoming weeks, the Environmental Protection Agency (“EPA”) is expected to release a proposed rule that would greatly expand methane regulations for the oil and gas sector. While EPA has previously issued regulations...more
Over April 22nd and 23rd, the Biden administration hosted 40 world leaders in a climate summit coinciding with Earth Day. The leaders announced a variety of pledges and ambitions relating to curbing greenhouse gas emissions...more
This is the eighth issue of WilmerHale’s 10-in-10 Hot Topics in Energy Series. Over the course of 10 weeks, our attorneys will share insights on current and emerging issues affecting the US energy sector. Attorneys from...more
2017 was an unusual year for environmental regulation, particularly under the Clean Air Act. A new President and new EPA Administrator have brought about significant changes to the environmental policies of their...more
Proposed new limits, intended to combat global warming, potentially affect numerous oil and gas operations. On September 18, 2015, the United States Environmental Protection Agency (EPA) proposed new limits on emissions...more
On August 18, 2015, the U.S. Environmental Protection Agency (“EPA”) proposed a suite of regulatory actions aimed at reducing methane and volatile organic compound (“VOC”) emissions from the oil and gas sector....more
EPA Releases TSCA Assessment Documents For Flame Retardant Chemicals: On August 18, 2014, the U.S. Environmental Protection Agency (EPA) released for public comment three Problem Formulation and Initial Assessment documents...more
In recent years, the proliferation of oil and gas production, transmission, and distribution activities in the United States has led to a number of regulatory initiatives by state and federal agencies designed to manage new...more