On June 11, 2025, the U.S. Environmental Protection Agency ("EPA") announced a proposed rule to repeal key amendments to the 2024 Mercury and Air Toxics Standards ("MATS") for coal- and oil-fired electric utility steam...more
On Monday, January 13, 2025, California withdrew requests for Clean Air Act waivers from the U.S. Environmental Protection Agency (EPA) needed to support four recently adopted vehicle emissions regulations: 1) the Advanced...more
California Attorney General (AG) Rob Bonta is leading a coalition of 22 Democratic states and the District of Columbia, to defend the Environmental Protection Agency’s (EPA) rule that sets stringent greenhouse gas emissions...more
The Environmental Protection Agency (EPA) intends to require power plants and other stationary sources in five additional states to comply with the Good Neighbor Plan to ensure that these states do not unlawfully contribute...more
On February 10, 2023, the Sixth Circuit issued an opinion in Sierra Club, et al. v. U.S. EPA, et al., (Case No. 21-3057). The case involved a petition for review filed by the Sierra Club, the Ohio Environmental Council, and...more
For air emission sources in New Haven County, Middlesex County, and Shelton, Connecticut, the regulatory landscape will change on November 7, 2022. Per a regulation published on October 7, 2022, EPA is reclassifying the...more
Congressman Rochester (Delaware) and Senator Duckworth (Illinois) have introduced S.4510 which is denominated the Public Health Air Quality Act of 2022 (“S.4510”). The legislation addresses Clean Air Act monitoring...more
Focus - EPA will not approve labels that say Roundup chemical causes cancer - U.S. News & World Report – August 8 - The U.S. Environmental Protection Agency (EPA) announced this Thursday that it will not approve...more
In December 2011, the EPA announced the Mercury and Air Toxics Standards under Section 112 of the Clean Air Act (CAA), commonly referred to as the MATS rule. The MATS rule governs the emission of mercury from electric power...more
On October 1, the Environmental Protection Agency issued a prepublication version of a final rule establishing a new National Ambient Air Quality Standard (NAAQS) for ozone. The final rule lowers the primary and secondary...more
Environmental and Policy Focus - Royal Dutch Shell suspends Arctic drilling indefinitely: Washington Post - Sep 28: Royal Dutch Shell announced early on September 28, 2015 that it will indefinitely suspend its Arctic...more