On March 12, 2025, EPA Administrator Zeldin announced that the agency, as one of its 31 historic deregulatory actions to advance President Trump’s Day One executive orders and EPA’s “Powering the Great American Comeback,” will reconsider the previous administration’s rule tightening the Particulate Matter National Ambient Air Quality Standards (PM2.5 NAAQS).
Continue Reading EPA to Reconsider Previous Administration’s PM 2.5 NAAQS, Continuing its Deregulatory Push

On March 12, 2025, EPA Administrator Zeldin announced that the agency will undertake 31 deregulatory actions to advance President Trump’s Day One executive orders and EPA’s “Powering the Great American Comeback.”
Continue Reading EPA Announces 31 Historic Actions Publicized as “Greatest Day of Deregulation Our Nation Has Seen”

On March 12, 2025, EPA and the Army Corps of Engineers issued a joint memorandum providing guidance to field staff on implementing the definition of “waters of the United States” (WOTUS) as it pertains to “adjacent wetlands.”
Continue Reading EPA and Army Corps Issue New Guidance for Implementing WOTUS Definition under Supreme Court’s Sackett Decision

On February 6, 2025, the Trump Administration announced the appointment of Scott Mason IV as regional EPA Administrator for Region 6. Headquartered in Dallas, Texas, Region 6 covers Arkansas, Louisiana, New Mexico, Oklahoma, Texas, and 66 Tribal Nations
Continue Reading President Trump Appoints Scott Mason IV as Region 6 EPA Administrator

On October 9, 2024, the Environmental Protection Agency (“EPA”) published the final rule, Vessel Incidental Discharge National Standards of Performance (“VID-NSP”), establishing national performance standards under the Vessel Incidental Discharge Act (“VIDA”).
Continue Reading EPA Issues Much-Anticipated Final Rule Establishing National Standards of Performance for Vessel Incidental Discharges

On August 19, 2024, the U.S. District Court for the District of Maryland issued its merits decision in Sierra Club et al. v. NMFS, API, et al., No. 8:20-cv-03060-DLB, which vacated the U.S. Department of Commerce, National Marine Fisheries Service’s (“NMFS”) 2020 programmatic Biological Opinion on the Federally Regulated Oil and Gas Program Activities in the Gulf of Mexico (the “2020 BiOp”), and corresponding Incidental Take Statement (“ITS”), for violations of the Endangered Species Act (“ESA”), 16 U.S.C. §§ 1531 et seq., and Administrative Procedure Act (“APA”), 5 U.S.C. §§ 551 et seq.
Continue Reading Maryland Court’s Vacatur of Biological Opinion Could Cause Severe Disruption of Gulf of Mexico Oil & Gas Activities