On January 15, 2026, the Environmental Protection Agency (EPA) published the long-awaited proposed rule Updating the Water Quality Certification Regulations (Proposed Rule), which, if adopted, would largely reinstate the...more
1/21/2026
/ Clean Water Act ,
Energy Sector ,
Environmental Protection Agency (EPA) ,
Infrastructure ,
Loper Bright Enterprises v Raimondo ,
Permits ,
Proposed Rules ,
Regulatory Oversight ,
Regulatory Reform ,
Section 401 ,
State and Local Government ,
Water Quality ,
Waters of the United States
On January 8, 2026, the U.S. Army Corps of Engineers finalized 57 Nationwide Permits first proposed in June of last year. Nationwide Permits (NWPs) are streamlined federal permits for activities that affect waters of the...more
1/14/2026
/ Clean Water Act ,
Data Centers ,
Endangered Species Act (ESA) ,
Energy Projects ,
Environmental Policies ,
Final Rules ,
Infrastructure ,
Oil & Gas ,
Permits ,
Pipelines ,
Renewable Energy ,
US Army Corps of Engineers ,
Water ,
Water Projects ,
Waters of the United States
Over the past decade, the definition of “waters of the United States” (WOTUS) has shifted repeatedly, creating uncertainty for permitting and project planning. Building on the Supreme Court’s Sackett v. EPA decision, the EPA...more
11/24/2025
/ Clean Water Act ,
Comment Period ,
Deregulation ,
Environmental Protection Agency (EPA) ,
Exclusions ,
Jurisdiction ,
NPDES ,
Permits ,
Proposed Rules ,
Regulatory Reform ,
Sackett v EPA ,
Section 404 ,
US Army Corps of Engineers ,
Waters of the United States ,
Wetlands
In the past two weeks, six federal permitting agencies — the U.S. Departments of Interior (USDOI), Agriculture (USDA), Energy (DOE), Commerce (DoC), Defense (DoD), and Transportation (USDOT) — withdrew most of their National...more
7/10/2025
/ Department of Defense (DOD) ,
Department of Energy (DOE) ,
Department of the Interior ,
Department of Transportation (DOT) ,
Deregulation ,
Environmental Policies ,
Executive Orders ,
Final Rules ,
Government Agencies ,
NEPA ,
New Guidance ,
Regulatory Reform ,
Rulemaking Process ,
Trump Administration ,
USDA
On May 29, the Supreme Court issued a unanimous opinion in Seven County Infrastructure Coalition v. Eagle County, Colorado that dramatically changes the way courts scrutinize federal agencies’ environmental reviews under the...more
6/2/2025
/ Chevron Deference ,
Energy Projects ,
Environmental Impact Report (EIR) ,
Environmental Litigation ,
Infrastructure ,
Judicial Authority ,
NEPA ,
Oil & Gas ,
Railways ,
Rulemaking Process ,
SCOTUS ,
Seven County Infrastructure Coalition v Eagle County Colorado ,
Statutory Interpretation
On February 19, the White House unveiled an interim final rule (IFR) to rescind all National Environmental Policy Act (NEPA) implementing regulations that the Council on Environmental Quality (CEQ) has promulgated since 1977....more
2/21/2025
/ Administrative Procedure Act ,
Audubon Society ,
CEQ ,
Energy Projects ,
Environmental Policies ,
Environmental Review ,
Executive Orders ,
Federal Aviation Administration (FAA) ,
Final Rules ,
Interim Final Rules (IFR) ,
NEPA ,
Regulatory Reform ,
Trump Administration
President Trump hit the ground running, issuing more executive orders, memoranda, and other actions on Inauguration Day than any previous president. Agencies are already working to implement those actions. Many of the actions...more
2/13/2025
/ Clean Energy ,
Climate Change ,
Endangered Species Act (ESA) ,
Energy Policy ,
Environmental Justice ,
Environmental Policies ,
Environmental Protection Agency (EPA) ,
Environmental Social & Governance (ESG) ,
Executive Orders ,
NEPA ,
PFAS ,
Regulatory Agenda ,
Regulatory Reform ,
Renewable Energy ,
Sustainability ,
Trump Administration
This past Monday, the U.S. District Court for the District of North Dakota issued its ruling in the closely watched case of Iowa v. Council on Envtl. Quality, 1:24-cv-089 (D.N.D. Feb. 3, 2025), vacating the Biden...more
The regulation of per- and polyfluoroalkyl substances (PFAS), or “forever chemicals,” was a focal point for the Biden administration. In April 2024, the administration, through the U.S. Environmental Protection Agency (EPA),...more
2/4/2025
/ Biden Administration ,
CERCLA ,
Clean Water Act ,
Environmental Policies ,
Environmental Protection Agency (EPA) ,
PFAS ,
Proposed Rules ,
RCRA ,
Regulatory Reform ,
Toxic Chemicals ,
Trump Administration
On April 8, U.S. Environmental Protection Agency (EPA) Administrator Michael S. Regan signed a final rule regulating six per- and polyfluoroalkyl substances (PFAS) under the Safe Drinking Water Act (SDWA). The final rule,...more
While energy production gets a lot of attention, how that energy gets to end users is just as important. In this video, Troutman Pepper’s Brooks Smith and Brian Harms look at natural gas pipelines and other energy...more
Coal ash – the byproduct of two centuries of burning coal to generate power – continues to roil the U.S. energy sector. Troutman Pepper’s Brian Harms and Brooks Smith discuss the dilemmas facing utilities and other energy...more
In the absence of comprehensive federal action, states and regulators are enacting legislation and issuing guidance requiring climate-related disclosures, stepping in to fill the void left by the U.S. Securities Exchange...more
1/30/2024
/ Climate Change ,
Disclosure Requirements ,
Environmental Social & Governance (ESG) ,
Final Rules ,
Financial Institutions ,
Financial Services Industry ,
Greenhouse Gas Emissions ,
NYDFS ,
Regulatory Requirements ,
Risk Management ,
Securities and Exchange Commission (SEC)
PM NAAQS: Already behind schedule is perhaps the mostly widely impactful rule change EPA has proposed in many years: a lowering of the national ambient air quality standard (NAAQS) for fine particulate matter (PM2.5). EPA has...more
1/9/2024
/ Air Pollution ,
Chevron Deference ,
Clean Energy ,
Clean Power Plan ,
Climate Change ,
Environmental Policies ,
Environmental Protection Agency (EPA) ,
Final Rules ,
Greenhouse Gas Emissions ,
MATS ,
Methane ,
NAAQS ,
Ozone
On November 20, with no fanfare at all, not even a press release, U.S. Environmental Protection Agency (EPA) issued its Draft Guidance: Applying the Supreme Court’s County of Maui v. Hawaii Wildlife Fund Decision in the Clean...more
11/29/2023
/ Clean Water Act ,
Comment Period ,
Discharge of Pollutants ,
Draft Guidance ,
Environmental Policies ,
Environmental Protection Agency (EPA) ,
Federal Register ,
Functional Equivalent ,
Groundwater ,
Hawaii ,
Hawaii Wildlife Fund v County of Maui ,
Hazardous Waste ,
NPDES ,
Pollution Control ,
Proposed Guidance ,
Public Comment ,
Safe Drinking Water Act ,
Water Pollution
California Governor Gavin Newsom signed two landmark bills into law on October 7, imposing stringent new requirements on large companies doing business in California to publicly report their annual greenhouse gas (GHG)...more
10/18/2023
/ California ,
CARB ,
Climate Change ,
Disclosure Requirements ,
Environmental Policies ,
Environmental Social & Governance (ESG) ,
Greenhouse Gas Emissions ,
New Legislation ,
Publicly-Traded Companies ,
Reporting Requirements ,
Securities and Exchange Commission (SEC)
On October 7, 2023, California Governor Newsom signed two landmark bills into law, Senate Bill (SB) 253 and SB-261, imposing new requirements on large companies doing business in California to publicly report their annual...more
The U.S. Supreme Court just issued its long-awaited Sackett decision in which it significantly narrowed the scope of federal jurisdiction over “waters of the U.S.” under the Clean Water Act. Written by Justice Alito (with...more
After the U.S. District Court for the District of North Dakota’s April 12 ruling, the majority of the United States can no longer implement or enforce the Biden administration’s definition of waters of the United States...more
On March 13, the Environmental Protection Agency (EPA) took the long-anticipated step of proposing maximum contaminant level goals (MCLGs), as well as individual maximum contaminant levels (MCLs), for six PFAS compounds under...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
With spring finally arriving, the long-expected avalanche of EPA activity on air issues has also arrived. In this second year of the Biden administration, following the pattern of prior administrations, we are starting to see...more
On January 11, the U.S. Environmental Protection Agency (EPA) issued a new interpretation of its coal combustion residual (CCR) regulations: CCR landfills or surface impoundments “cannot be closed with coal ash in contact...more
Landowners and permit applicants received an email notification this week that the Army Corps of Engineers (Army Corps) would not be processing their requests for coverage under a variety of Clean Water Act (CWA) Section 404...more
Yesterday, the U.S. Environmental Protection Agency (EPA) announced a new “Strategic Roadmap (Roadmap),” describing a suite of ongoing and future agency actions to address per- and polyfluoroalkyl substances (PFAS). While...more