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Trump Administration Rescinds Council on Environmental Quality’s Guidelines, Creating Widespread Uncertainty for the National...

On February 19, 2025, the Trump Administration issued an Interim Final Rule rescinding the Council on Environmental Quality’s (CEQ’s) regulations setting forth the requirements for compliance with the National Environmental...more

Pumping the Brakes? Outlook for State and Federal Vehicle, Engine, and Equipment Emissions Standards

Share on Twitter Print Share by Email Share Back to top With the start of the second Trump administration just over a week away, there are many uncertainties with respect to how the new administration will regulate vehicle,...more

Development in Southeast Wisconsin Will Once Again be Hampered by Clean Air Rules

New U.S. Environmental Protection Agency (EPA) air quality standards and pollution migrating from upwind states will impact growth and development in southeastern Wisconsin, beginning on January 16, 2025....more

The Supreme Court Changes Basic Tenets of Administrative Law - Complicating the Environmental Protection Agency’s Ability to...

In a trio of cases, the Supreme Court has changed the balance of power between courts and federal agencies. The combination of these three cases will likely lead to significant litigation in multiple courts, repeated...more

EPA Finalizes New Greenhouse Gas Reporting Obligations for Petroleum and Natural Gas Systems: More Companies Impacted; More Fees...

On May 14, 2024, the U.S. Environmental Protection Agency (EPA) published the final Greenhouse Gas Reporting Rule requirements for petroleum and natural gas systems under 40 C.F.R. Part 98, Subpart W in the Federal Register....more

U.S. EPA Finalizes Designation of Two PFAS Chemicals as Hazardous Substances Under CERCLA

On April 19, the U.S. Environmental Protection Agency (EPA) released its long-awaited final rule designating perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), including their salts and structural isomers,...more

Wisconsin PFAS Groundwater Standards Halted—for Now

Share on Twitter Print Share by Email Share Back to top The wait will continue for Wisconsin per- and polyfluoroalkyl substances (PFAS) enforcement standards for groundwater. Last week the Wisconsin Department of Natural...more

How U.S. EPA’s New Environmental Justice Initiative Impacts Manufacturing Operations

What Is Environmental Justice? The Environmental Justice Initiative seeks to ensure that all Americans—regardless of race, color, national origin, or income—receive fair treatment and have meaningful involvement with...more

EPA Moves to Tighten Passenger and Heavy-Duty Vehicle Emissions Standards; Seeks to Drive Majority of New U.S. Car Sales to EVs by...

On April 12, 2023, U.S. Environmental Protection Agency (EPA) Administrator Michael Regan proposed aggressive new mobile source regulations limiting tailpipe emissions in two separate proposed rules: one targeting light- and...more

Breathe Easy: U.S. EPA Seeks to Significantly Tighten Fine Particulate Matter Standards

On January 6, 2023, the U.S. Environmental Protection Agency (EPA) issued a proposed rule to lower the primary National Ambient Air Quality Standard (NAAQS) for fine/inhalable particulate matter (PM2.5). These proposed...more

U.S. EPA Finalizes Step One of its “Clean Trucks Plan,” Tightening Emission Standards for Heavy-Duty Highway Engines and Vehicles...

On December 20, 2022, the U.S. Environmental Protection Agency (“EPA”) finalized new emission standards for heavy-duty highway vehicles and engines, including heavy-duty trucks and other vocational vehicles such as fire...more

U.S. EPA Proposes to Designate PFOA and PFOS as Hazardous Substances under CERCLA, Bringing Superfund Back Into the Discussion

The United States Environmental Protection Agency (U.S. EPA) has released its long-anticipated Proposed Rule to designate the “forever” chemicals PFOA and PFOS as hazardous substances under the Comprehensive Environmental...more

Superfund Chemical Excise Taxes: Check Your Contracts

Initially enacted in 1980, the Superfund chemical excise taxes apply to the sale or use of certain chemicals and substances to fund a federal cleanup program for hazardous waste sites. While the initial tax program expired...more

U.S. EPA Continues Its Aggressive Emissions Standards Stance with Proposed Standards for Heavy-Duty Highway Engines and Vehicles

Following its final rule for light-duty vehicles issued at the end of 2021, this past spring, the U.S. Environmental Protection Agency (“U.S. EPA”) proposed new emission standards for heavy-duty highway vehicles and engines. ...more

It’s Complicated: The Evolving Regulation of “Forever Chemicals” in Wisconsin

For the past several years, the Wisconsin Department of Natural Resources (“WDNR”) has engaged in a multi-media effort to regulate the class of chemicals commonly referred to as “forever chemicals” in waters and soils in the...more

Securities and Exchange Commission or Securities and Environment Commission? The SEC Proposes New Rules for Climate-Related...

On March 21, 2022, the U.S. Securities and Exchange Commission (SEC) released a comprehensive set of proposed rules mandating climate-related risk disclosures for public companies (Proposed Rule). For some the release marks...more

Off to the Races: EPA’s Aggressive New Fuel Efficiency Standards Will Fundamentally Reshape How Cars are Made and Powered

On December 20, the U.S. Environmental Protection Agency (“EPA”) finalized its new national greenhouse gas (GHG) emissions standards for new passenger cars and light trucks. These new rules are the most ambitious in history,...more

The Biden Administration Proposes New Rule to Dramatically Cut Methane Emissions in the Oil and Gas Sector

Last week, as world leaders met at the United Nations Climate Change Conference (COP26) in Glasgow, Scotland, the U.S. Environmental Protection Agency (“EPA”), issued a proposed rule under the Clean Air Act (“CAA”) designed...more

Sea Change: Biden Administration Halts Trump-Era Regulation and Expands Clean Water Act Protections

The scope of the Clean Water Act is yet again in flux. In January 2020, the Trump Administration meaningfully restricted what bodies of water are protected under the Clean Water Act by narrowing the Act’s definition of...more

Part One – Air, Water, California Proposition 65, and Cannabis

Cannabis growing and processing operations face increasing regulatory pressure to assess and reduce their environmental impacts – especially in the areas of water quality, air emissions, energy use and sustainability,...more

An End to Draining the Swamp? U.S. EPA, Army Corps Announces Intent to Revise Definition of “Waters of the United States”

Yesterday, the U.S. EPA and the U.S. Army Corps of Engineers announced their intent to initiate a rulemaking process to promulgate a new definition of “waters of the United States” (“WOTUS”) under the Clean Water Act (“CWA”)....more

SEC Movement on ESG Disclosures: SEC and Investors Enhance Focus on Climate Change and Other ESG Disclosures

It’s no secret that the Biden Administration is focused on environmental justice and climate change issues, as evidenced by the president’s selection of Congresswoman Debra Haaland as Secretary of the Interior and former EPA...more

Revival of the General Duty Clause

In a somewhat surprising decision issued at the end of 2020, U.S. EPA ruled that Section 112(r)(1) of the Clean Air Act, better known as the “General Duty Clause,” requires facilities to implement the latest industry...more

Climate Two-Step: D.C. Circuit Vacates Affordable Clean Energy Rule Just as U.S. Rejoins Paris Accord

On the eve of the new Biden Administration, the U.S. Court of Appeals for the D.C. Circuit vacated a key greenhouse gas rule created by the Trump Administration. The Biden Administration also swiftly rejoined the Paris...more

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