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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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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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The Origins of Climate Awareness in the Legal Academy

Legal Planet

Today, climate change is the central, though by no means the only, concern in environmental law. The earliest mentions of these terms in the law review literature came in the late 1970s, and only one of the pre-1985 discussions took a comprehensive look at the problem. Third, there was so much else going on in environmental law.

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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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Ohio EPA Division of Air Pollution Control hosts Program Advisory Group Meeting

Vorys Law

On January 20, 2021, the Ohio EPA’s Division of Air Pollution Control (DAPC) hosted a “Program Advisory Group” (PAG) meeting via Microsoft Teams to inform interested stakeholders of recent and upcoming DAPC activities. This post focuses on Ohio EPA’s anticipated regulatory changes to address non-attainment of the 2015 Ozone NAAQS.

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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.