Overview -
On May 29, 2025, the U.S. Supreme Court issued a significant decision clarifying the scope of environmental review required under the National Environmental Policy Act (“NEPA”) for major infrastructure...more
New Executive Orders and Proclamation -
On April 8, 2025, President Donald J. Trump issued three significant executive orders (“EOs”) and a fourth proclamation consistent with his pledge to “Unleash American Energy.” These...more
Climate change-related litigation has been increasing in the United States for the past several years. Not only have the actual number of these types of cases increased, but the claims raised in these cases have been...more
Introduction -
Right now, cases involving climate change are being heavily litigated in courts across the United States. Hundreds of climate change-related cases have been filed in both federal and state courts, where...more
The Republican majority of the Federal Energy Regulatory Commission (“FERC” or “Commission”) has drawn a clear distinction with how and when the Commission will analyze upstream and downstream greenhouse gas (“GHG”) emissions...more
The Pennsylvania Commonwealth Court recently ruled that a challenge to Sunoco Pipeline L.P.’s (“Sunoco”) Mariner East Project under Article 1, Section 27 of the Pennsylvania Constitution (the “Environmental Rights Amendment”...more
Citing distinctions between hydraulic fracturing and conventional gas drilling, the Pennsylvania Superior Court held on April 2, 2018, in Briggs v. Southwestern Energy Production Company that the rule of capture does not...more
The Federal Energy Regulatory Commission (“FERC”) weighed in rapidly and decisively on the Sabal Trail (a/k/a Southeast Market Pipelines or “SMP Project”) case that the D.C. Circuit remanded to it on August 22, 2017. As...more