Blocking Dirty Oil Infrastructure

Environmental Groups File Challenge to Controversial SSEP Pipeline

RICHMOND, Va. - Today, several environmental groups filed a lawsuit challenging the U.S. Army Corps of Engineers’ Clean Water Act permit for the controversial Southeast Supply Enhancement Project, or SSEP pipeline

Indigenous and Environmental Groups Denounce Trump Administration Proposal to Revoke Greater Chaco Protections

Diné, Pueblo, and allied groups condemn the Trump Administration’s proposal to revoke Public Land Order (PLO) 7923, which withdraws federal minerals from future oil and gas leasing within approximately 10-miles of Chaco Culture National Historical Park. 

Groups ask D.C. Circuit to set aside FERC certificate for MVP Southgate gas pipeline

WASHINGTON, DC – Today, seven conservation and community groups filed a court challenge to the Federal Energy Regulatory Commission’s (FERC) authorization for Mountain Valley Pipeline, LLC, to construct the MVP Southgate gas pipeline. The petition for review, filed by the Southern Environmental Law Center (SELC), Appalachian Mountain Advocates, and Sierra Club in the United States Court of Appeals for the District of Columbia Circuit, asks the court to vacate the amended certificate of convenience and public necessity issued by FERC in December 2025.

Environmental Advocates Launch NC Pipeline Watch

RALEIGH, N.C. – Today, a group of clean air and water advocates announced the launch of the NC Pipeline Watch to monitor construction of the Southeast Supply Enhancement Project pipeline (SSEP).

Environmental Groups Request Rehearing for Controversial SSEP Pipeline

WASHINGTON, D.C. — Environmental groups filed a request for rehearing for the dangerous, expensive, and unnecessary Southeast Supply Enhancement Project, or SSEP.

U.S. Army Corps of Engineers approves permit for SSEP pipeline

Yesterday, the U.S. Army Corps of Engineers issued a permit for the Southeast Supply Enhancement Project, an interstate pipeline proposed by Transcontinental Gas Pipe Line Company, LLC. The Corps’ permit, issued under Section 404 of the Clean Water Act, authorizes Transco to cut crossings through more than 150 streams and wetlands.

FERC Authorizes SSEP Pipeline

WASHINGTON, D.C. — Yesterday, the Federal Energy Regulatory Commission (FERC) authorized the dangerous, expensive, and unnecessary Southeast Supply Enhancement Project, or SSEP.

NCDEQ Approves Water, Air Permits for SSEP

RALEIGH, N.C. - Today, the North Carolina Department of Environmental Quality has approved the water and air permits for Transco’s proposed Southeast Supply Enhancement Project pipeline.

Sierra Club Statement on House Votes to Overturn Public Lands Protections

WASHINGTON, D.C. – House Republicans have approved resolutions intended to undermine the protection of millions of acres of public lands in Alaska and overturning guardrails on coal leasing in Wyoming.

Sierra Club Pushes FERC to Release Redacted Information from MVP Southgate's Biological Assessment

WASHINGTON, D.C. - The Sierra Club and its partners are asking the Federal Energy Regulatory Commission to release vital information from Mountain Valley Pipeline’s biological assessment for the proposed Southgate extension.