The Court’s decision has prompted the US Army Corps of Engineers to freeze jurisdictional determinations for permitted activities pending additional guidance.
By Michael G. Romey, Lucas Quass, and Peter R. Viola
On May 25, 2023, by a narrow 5-4 majority, the US Supreme Court ruled in Sackett v. EPA that the Clean Water Act (CWA) only extends to wetlands that have a “continuous surface connection” with “waters of the United States” (WOTUS) — the term in the CWA’s definition of “navigable waters” that determines the jurisdiction of the US Army Corps of Engineers (the Corps) and the Environmental Protection Agency (EPA) (together, the Agencies) over projects and other activities requiring permits to dredge, fill, or discharge into federally protected waters.[1]

The U.S. Congress continues to take interest in implementing legislation to curb alleged human rights abuses in the supply chain in China and elsewhere, as evidenced by two new pieces of legislation introduced in the Senate this month. These bills follow the implementation of the Uyghur Forced Labor Prevention Act, or UFLPA, in December 2021. For more information on the UFLPA, see this Latham 
The California Public Utilities Commission (CPUC) has tremendous influence on public utility regulation in California and beyond. The CPUC has the biggest staff of any state utilities commission and has issued fines and penalties well in excess of US$2 billion. The CPUC has been very active with new rulemakings and proceedings that will impact utilities and a range of industries. Because of the CPUC’s outsize influence, many of these new regulatory developments may well be adopted by public utilities or public service commissions in other states. Below are summaries of five key developments at the CPUC.
On December 19, 2019, the US Environmental Protection Agency (EPA)
The South Coast Air Quality Management District (SCAQMD or District) is developing a so-called Indirect Source Rule (ISR) that would require Southern California warehouses to reduce emissions associated with trucking activity and on-site equipment. Proposed Rule 2305, recently released by the District in discussion draft form, would establish the Warehouse Actions and Investments to Reduce Emissions (WAIRE) Program — which would apply to owners and operators of warehouses located in the South Coast Air Basin (Basin) with greater than 100,000 square feet of indoor space in a single building. If the SCAQMD’s development timeline holds, Proposed Rule 2305 will phase in on July 1, 2020.
On July 24, 2019, Latham & Watkins’ Project Siting & Approvals Practice hosted a 60-minute webcast, “Friant Ranch: Impact of California Supreme Court’s Landmark Decision on CEQA Compliance,” to zero in on the landmark decision and its ramifications. Seven months on from the Court’s decision
The Department of Laws, Regulations, and Standards of China’s Ministry of Ecology and Environment (MEE) recently issued a notice of Public Consultation for the Opinions on Several Issues on the Application of Laws concerning Administrative Penalties for the Illegal Activities of “Production before Final Acceptance” (the 2019 Public Consultation).
The Equator Principles Association (EP Association) recently released the
On June 12, 2019, a new directive was published that aims to help protect land and marine environments, as well as human health. The mandate — Directive (EU) 2019/904 on the reduction of the impact of certain plastic products on the environment (Single-Use Plastics Directive, or the Directive) — introduces measures to prevent and reduce the impact of certain plastic products, and promote transition to a circular economy.