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State Air Regulations Can Go Above and Beyond National Standards 

Legal Planet

States and local air quality regulators have the legal authority to set particulate matter (PM), ozone, and nitrogen oxides (NOx) emissions standards and adopt regulations for these pollutants when they are already in attainment of the national ambient air quality standards ( NAAQS ) set by the U.S.

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EPA Will Reconsider the Ozone NAAQS — What Is An Adequate Margin of Safety, Anyway?

Law and Environment

On Friday, EPA announced that it was reconsidering its 2020 decision to leave the National Ambient Air Quality Standards for ozone unchanged. However, EPA stated that it: will reconsider the decision to retain the ozone NAAQS in a manner that adheres to rigorous standards of scientific integrity.

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Improving EPA’s Latest Ozone Transport Rule

Acoel

The downwind air quality benefits are minimal. The proposed rule would provide de minimus air quality benefits in downwind areas with extremely high costs – estimated by EPA at $22 billion discounted 2016 dollars for the 2023-2042 period. enjoyed ozone reductions of 3 to 5 ppb or more. ppb by 2025. EPA estimated that: .

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EPA’s Power Plant Carbon Rules Are Critical—and Complex. Here’s What to Know, and What to Watch.

Union of Concerned Scientists

Multiple lines of analysis make clear that regardless of how cheap wind and solar power get, without directly addressing pollution from coal and gas plants, the country’s clean energy transition will not happen fast enough. Section 111 of the Clean Air Act constrains how EPA sets standards—but gives states wide latitude in implementation.

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Minnesota Can Do More to Protect People from Ethylene Oxide Emissions

Union of Concerned Scientists

While the agency has failed to update the rule as required under the Clean Air Act, last year, EPA identified 23 “elevated cancer risk” commercial sterilizers and is currently working to inform communities and work with state regulators and the facilities to decrease emissions. But much more is needed. What can be done?

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Environmental Law: Government and Public Policy Towards the Environment

Environmental Science

What is Environmental Law? Humanity has been aware of its environment far longer than there have been laws to protect environments. However, the term “environmental law” does not just cover government legislation. These are not “laws” per se but act as such within a regulatory framework. Sponsored Content.

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The Problems with the SCOTUS ‘Good Neighbor’ Arguments

Legal Planet

Clean air advocates outside the Supreme Court ahead of the EPA ‘Good Neighbor’ arguments on February 21 (Photo by Paul Morigi/Getty Images for SKDK) Megan M. Herzog (former Emmett/Frankel Fellow at UCLA School of Law 2012-2016) and Sean H.