The agreement promises to unlock market and investment opportunities and facilitate greater UK-EU collaboration.

By Alexander Buckeridge-Hocking, Paul A. Davies, JP Sweny, Evelyne Girio, James Bee, and Isobel Moffatt

The UK and EU reached a landmark agreement at the UK-EU Summit to reintegrate their emissions trading systems (ETS) and explore the recoupling of their electricity markets. These strategic initiatives are intended to streamline operations, stabilise prices, and strengthen energy security across the UK and EU.

A preliminary injunction motion is set for May, the judge issued a scheduling order, and CARB announced a public workshop to kick off a rulemaking to implement the laws.

By Joshua T. Bledsoe, Nikki Buffa, Betty M. Huber, and Matthew Green

The litigation over California’s climate disclosure laws has been ongoing since January 2024. In the latest development, the US District Court for the Central District of California is scheduled to conduct a hearing on a motion

The Trump administration changes course on regulatory interpretations relating to the scope of protections for endangered and threatened species and migratory birds.

By Nikki Buffa, Jennifer K. Roy, Lucas I. Quass, and Samantha K. Seikkula

Federal agencies took steps in April 2025 to narrow (i) habitat protections for federally listed endangered or threatened species under the Endangered Species Act (ESA) and (ii) the scope of liability for incidental take of migratory birds under the Migratory Bird Treaty

The orders span various sectors and aim to introduce sunset provisions into regulations and eliminate regulations deemed unlawful or anti-competitive.

By Nikki Buffa, Jennifer K. Roy, John Detrich, and Kayla Seltzer

On April 9, 2025, the Trump administration issued three new orders to reevaluate and roll back regulations across various sectors. These orders are a continued step toward implementing the administration’s objective of reducing regulatory burdens on agencies and the public (see our blog post on the

The order instructs the Attorney General to curb state and local climate initiatives and prepare a report within 60 days detailing those efforts.

By Jean-Philippe Brisson, Michael G. Romey, and Matthew Green

On April 8, 2025, President Trump issued an executive order titled “Protecting American Energy From State Overreach” (the Order). The Order asserts that certain state and local laws undermine American energy dominance and, by extension, national security.

For a high-level overview of the Order, see this