United States: Climate Change

On July 9, 2025, the California Air Resources Board (CARB) released a set of Frequently Asked Questions related to regulatory development and initial reporting obligations under SB 253 and SB 261.

On July 4, 2025, the Commission adopted a set of measures to simplify the application of the EU taxonomy, in the form of a Delegated Act amending the Taxonomy Disclosures, Climate and Environmental Delegated Acts.

On June 30, 2025, the Federal Energy Regulatory Commission (FERC) and U.S. Department of Energy (DOE) issued updated National Environmental Policy Act (NEPA)...

The National Environmental Protection Act ("NEPA") requires that federal agencies assess the environmental effects of their proposed actions prior to making final decisions...

Often, climate change lawsuits allege claims under constitutional provisions, human rights laws, or environmental statutes and regulations.

On December 18, 2024, the Montana Supreme Court ruled in the case of Held v. Montana, finding that the Montana Environmental Policy Act ("MEPA")...

This brief outlines California's Climate Accountability Package, which includes SB 253 and SB 261, requiring companies to disclose carbon emissions and climate-related financial risks. The California Air Resources Board (CARB) is expected to finalize regulations by July 1, 2025.

It has been reported that the Federal Reserve has disbanded certain internal groups that were intended to develop "institutional capacity and knowledge" with respect to climate risk.

On May 29, 2025, the California Air Resources Board delivered a presentation that provided additional details concerning the soon-to-be implemented mandatory climate disclosures.