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Environmental Litigation Environmental Protection Agency (EPA) Air Quality Standards

Adams and Reese LLP

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

Adams and Reese LLP 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

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

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