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Energy & Environmental Alert – When the Oklahoma Corporation Commission Says, “No Further Action,” How Much Does It Count?

An OCC no-further-action letter and a final order closing a spill site do not bind a district court hearing a private nuisance claim. But the court may weigh them as evidence and may rely on them in holding that a plaintiff has not shown (by clear and convincing evidence) the likelihood of success needed to justify a mandatory cleanup injunction.

Environmental Alert – EPA’s Greenhouse Gas Reporting Program Remains in Effect Despite Proposed Rollback

Although EPA has proposed eliminating most GHGRP source categories and suspending reporting obligations for much of the oil and gas sector, those proposals have not been finalized. Accordingly, facilities currently subject to GHGRP reporting should continue to treat existing reporting obligations as fully enforceable unless and until EPA takes final regulatory action.

Environmental Alert – Clean Air Act Pulse Check: Where EPA’s NSPS OOOOb/c Methane Rules Stand Today

Despite two years of political and regulatory turbulence, the Environmental Protection Agency’s (“EPA”) New Source Performance Standards (“NSPS”) Subparts OOOOb/c remain in effect and are the dominant framework for regulating methane and volatile organic compound (“VOC”) emissions in parts of the oil and gas sector.

Energy, Environment & Natural Resources Alert — ENRD Rewired: DOJ Puts Energy Security in the Caption

The Department of Justice has renamed its Environment and Natural Resources Division (ENRD) the Energy and Natural Resources Division. The rename is not just a branding exercise. It aligns DOJ’s environmental and natural resources litigation shop with the Administration’s broader energy program.

Energy, Environment & Natural Resources Alert — Compliance First for the New Year: EPA Sweeps Away Overreach in Enforcement

On December 5, 2025, EPA Assistant Administrator Craig Pritzlaff issued a memorandum directing the Office of Enforcement and Compliance Assurance to adopt a renewed “compliance first” approach across all civil enforcement and compliance programs.

GableGotwals’ PFAS Pulse – Volume 1, Edition 4

In this edition of GableGotwals’ PFAS Pulse, we track the latest developments in per- and polyfluoroalkyl substances (“PFAS”) regulation and litigation. As the PFAS regulatory landscape tightens in some areas and recalibrates in others, companies across the supply chain should treat PFAS compliance as an ongoing priority.

Energy, Environment & Natural Resources Alert — Proactive by Design: Strengthening Deals Through Early Environmental Due Diligence

Environmental issues surface in far too many deals only after the business terms are locked in, diligence windows are closing, lenders start asking hard questions, and after the opportunity to meaningfully and more accurately allocate risk has slipped away.

Energy, Environment & Natural Resources Alert — NEPA in Transition: CEQ’s Guidance and the New Landscape for Federal Permitting

On September 29, 2025, the Council on Environmental Quality (CEQ) published an updated guidance memorandum regarding implementation of the National Environmental Policy Act (NEPA).

Energy, Environment & Natural Resources Alert — Emergency Exit: D.C. Circuit Restores Clean Air Act Title V Emergency Defense in SSM Litigation Group v. EPA

In its recent decision in SSM Litigation Group v. EPA, the D.C. Circuit struck down EPA’s 2023 rescission of the long-standing Clean Air Act (“CAA”) Title V “emergency affirmative defense.”

GableGotwals’ PFAS Pulse – Volume 1, Edition 3

In this edition of GableGotwals’ PFAS Pulse, we track the latest developments in per- and polyfluoroalkyl substances (“PFAS”) regulation and litigation. As PFAS regulation and litigation continue to evolve amidst shifting federal policies and heightened judicial scrutiny, stakeholders must remain vigilant in monitoring these developments.

Energy, Environment & Natural Resources Alert — Deregulatory Power Play: EPA Targets Greenhouse Gas Endangerment Finding, Extends OOOOb/c Compliance Deadlines

Major developments in federal climate policy emerged this week from the U.S. Environmental Protection Agency (“EPA”).

Regulatory Alert — Clean Air Act NSPS OOOOb: Preparing for the August 2025 Reporting Deadline in an Uncertain Regulatory Climate

The Clean Air Act’s (CAA) New Source Performance Standards’ (NSPS) Subpart OOOOb applies to new, modified, and reconstructed oil and gas facilities as of December 6, 2022.

Energy, Environment & Natural Resources Alert — Let’s Build Big Beautiful Things: Supreme Court Limits NEPA’s Reach and Paves Way for Permitting

On May 29, 2025, the Supreme Court issued its 8-0 ruling in Seven County Infrastructure v. Eagle County, significantly narrowing the scope of environmental reviews required under the National Environmental Policy Act (NEPA).

Regulatory Alert — PHMSA Announces Rulemaking to Seek Input on Pipeline Repair Requirements and Risk-Based Tank Inspections

On May 21, the Pipeline and Hazardous Materials Safety Administration (PHMSA) published an Advance Notice of Proposed Rulemaking (ANPRM) in the Federal Register.

Environmental Alert — PFAS Drinking Water Standards Recalibrated: EPA Retains PFOA/PFOS Limits, Rescinds Other Standards, and Extends Compliance Deadline

On May 14, 2025, the U.S. Environmental Protection Agency (“EPA”) announced plans to revise federal drinking water standards for certain per- and polyfluoroalkyl substances (“PFAS”).

Energy, Environment & Natural Resources Alert — Fast-Tracking Deregulation: The Risks of Bypassing Notice and Comment

On April 9, 2025, President Trump issued a memorandum titled Directing the Repeal of Unlawful Regulations, instructing federal agencies to roll back existing regulations the administration deems inconsistent with recent Supreme Court decisions.

GableGotwals’ PFAS Pulse

In this edition of GableGotwals’ PFAS Pulse, we examine recent EPA developments that signal a continued – and potentially expanded – regulatory focus on PFAS under the Trump administration and Administrator Zeldin’s Environmental Protection Agency (“EPA”).

Energy, Environment & Natural Resources Alert — Environmental Takeaways from GableGotwals’ 6th Annual Energy Seminar

This Alert highlights five key environmental takeaways from GableGotwals’ recent Sixth Annual Energy Market Drivers and Current Legal Issues Seminar, held in Tulsa, Oklahoma City, and Houston.

Energy, Environment & Natural Resources Alert — SCOTUS Limits EPA’s Regulatory Authority Over Discharges Under the Clean Water Act: What It Means for Your Permits

The U.S. Supreme Court recently issued a significant ruling in City and County of San Francisco v. Environmental Protection Agency (“EPA”), curtailing how the EPA can regulate wastewater discharges under the Clean Water Act (“CWA”).

Energy, Environment & Natural Resources Alert — EPA Announces Significant Deregulatory Actions – What Companies Need to Know

On March 12, 2025, the U.S. Environmental Protection Agency (EPA) announced a sweeping deregulatory initiative, claiming it to be the “biggest deregulatory action in U.S. history.”