News & Analysis as of

Air Quality Standards Environmental Litigation

Mitchell, Williams, Selig, Gates & Woodyard,...

Air/Wastewater Enforcement/Citizen Suit Action: Conservation Law Foundation and Quincy, Massachusetts Bio-based Chemical...

The Conservation Law Foundation (“CLF”) and Twin Rivers Technologies (“TRT”) entered into a March 30th Consent Decree (“CD”) addressing alleged violations of the Clean Air Act and the Clean Water Act. See No....more

Allen Matkins

California Environmental Law & Policy Update 5.2.25

Allen Matkins on

The White House Council on Environmental Quality (CEQ) circulated a draft template, dated April 8, 2025, to assist federal agencies in updating their procedures for implementing the National Environmental Policy Act (NEPA)....more

Goldberg Segalla

Frustrated by EPA’s Delay on Air Quality, Environmental Groups Tell the Agency: “NOx it Off!”

Goldberg Segalla on

Nitrogen Oxide (NOx) is a very reactive, brown-hued gas commonly produced when fuels are burned at high temperature by motor vehicles, chemical plants, etc. Industries will often intentionally oxidize NOx to produce lacquers,...more

Troutman Pepper Locke

Wisconsin AG Resolves Investigation Into Alleged Violation of State Air Laws With $85K Settlement

Troutman Pepper Locke on

Wisconsin Attorney General (AG) Josh Kaul has announced an $85,000 settlement with the global food supply company Kerry, Inc. in relation to the company’s operation of a liquid smoke manufacturing facility....more

Adams & Reese

EPA Greenlights Greenhouse Gas Emissions for Heavy-Duty Vehicles, But States File Lawsuit

Adams & Reese on

Less than a month after the Environmental Protection Agency (EPA) published environmental operational standards and greenhouse gas emission regulations for owners and operators of heavy-duty vehicles, including major freight...more

Foley Hoag LLP - Environmental Law

The D.C. Circuit Affirms EPA’s Reinstatement of California’s Authority to Set Auto Emissions Limits; Don’t Get Too Excited About...

On Tuesday, in Ohio v. EPA, the D.C. Circuit Court of Appeals denied several challenges to EPA’s decision to restore California’s authority under § 209(b) of the Clean Air Act to regulate emissions from motor vehicles. It’s...more

Foley Hoag LLP - Environmental Law

The D.C. Circuit Vacates Most of EPA’s SSM SIP Call; Generators Breath a Sigh of Relief

Earlier this month, the District of Columbia Court of Appeals vacated most of EPA’s startup, shutdown, and malfunction SIP Call. The Court’s rationale boils down to EPA’s failure to make a predicate finding that the SIP call...more

Foley Hoag LLP - Environmental Law

EPA Lowers the PM2.5 NAAQS: Goldilocks Can Sleep Soundly

On February 7, 2024, EPA finalized a rule lowering the primary annual National Ambient Air Quality Standard for PM2.5 to 9.00 ug/m3.  This is a significant reduction from the current 12.00 ug/m3 standard and a victory for...more

Foley Hoag LLP - Environmental Law

Have I Mentioned that PM2.5 Is Bad For You?

The evidence of the harm resulting from PM2.5 exposures keeps rolling in. Earlier this month, Environmental Research published an article titled “Global mortality from outdoor fine particle pollution generated by fossil fuel...more

Foley Hoag LLP - Environmental Law

EPA’s Ozone NAAQS Decision — Perhaps the Statute Itself Deserves Some of the Blame

On December 23, 2020, EPA formalized its decision to leave the ozone NAAQS unchanged, at 70 ppb. I don’t think that this decision is in the same category of egregiousness as EPA’s recent decision not to reduce the PM2.5...more

Foley Hoag LLP - Environmental Law

EPA Finalizes Decision to Retain the Existing PM2.5 NAAQS — Single Worst Environmental Decision of the Trump Administration?

Yesterday, EPA finalized its decision to retain the existing PM2.5 NAAQS of 12 ug/m3, rejecting substantial scientific evidence that PM2.5 causes significant harm at concentrations below 12 ug/m3. In fact, as noted in one of...more

Foley Hoag LLP - Environmental Law

The Other Shoe Drops on Upwind Ozone States

On Tuesday, the District of Columbia Court of Appeals vacated EPA’s “Close-Out Rule,” which basically concluded that upwind states contributing to exceedances of the National Ambient Air Quality Standard for ozone in downwind...more

Downey Brand LLP

California Air and Climate Vol. 10: CARB Reports Continued Declines in Greenhouse Gas Emissions; Tulare County Settles Lawsuit...

Downey Brand LLP on

CARB Reports Continued Declines in Greenhouse Gas Emissions - The California Air Resources Board (CARB) is reporting that in 2017, greenhouse gas (GHG) emissions for the state were 424 million metric tons (MMT) of CO2...more

Allen Matkins

California Environmental Law & Policy Update - August #2

Allen Matkins on

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

Best Best & Krieger LLP

[WEBINAR] Update on the California Environmental Quality Act: What’s New for 2018

This BB&K webinar provides a brief review of the latest developments in CEQA compliance. This webinar addresses both new CEQA statutory and regulatory requirements, and also discusses recent case law interpretations affecting...more

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