United States: Clean Air / Pollution

On December 3, 2025, the U.S. Environmental Protection Agency (EPA) announced the availability of and solicited public comment on an Updated Draft Risk Calculation Memorandum...

On March 24, 2025, the United States Supreme Court denied a petition for writ of certiorari in Juliana v. United States (Case No. 24-645), essentially ending this youth climate case...

On December 1, the California Air Resources Board ("CARB") issued an Enforcement Advisory stating that it will not enforce California Health & Safety Code § 38533 against covered entities for failing to post and submit their Climate-Related Financial Risk Report under Senate Bill 261 (the Climate-related Financial Risk Act) by the reporting deadline of January 1, 2026.

Even as partisan rifts define Washington, lawmakers have found a rare motivator for bipartisan collaboration: data centers.

uch of the world is seeking to find new ways of cleaning up electricity supplies, reducing emissions, and cutting climate pollution from buildings, transportation and more.

In 2023, California adopted two laws (SB 253 and SB 261) that will require reporting of greenhouse gas and climate-related financial risks by companies doing business in California beginning in 2026.

State and local governments and citizen groups are increasingly turning to suits under state nuisance and consumer protection laws to bring novel types of environmental claims.

The U.S. Environmental Protection Agency (EPA) announced on September 17, 2025, its next steps regarding regulatory efforts to address cleanup of perfluorooctanoic...

The U.S. Environmental Protection Agency (EPA) announced a proposal to end the Greenhouse Gas Reporting Program (GHGRP), citing high compliance costs and limited regulatory value.