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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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Glossary of Greenhouse Gas Terms

Greenbuilding Law

With proposed federal regulation of greenhouse gas emissions by the Securities and Exchange Commission requiring GHG disclosure and new state statutes, including a new Maryland law that requires not only disclosure, but also a mandated reduction in GHG emissions, a greater appreciation of the subject of GHG appears in order.

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Cars, Smog, and EPA

Legal Planet

NOx plays a role in forming ground level ozone and final particulates (PM2.5), both of which are human health hazards. For the first 20 years of federal regulation, Congress set the NOx standards for new cars itself. That’s quite different from the standards for industrial pollution sources, which Congress has always delegated to EPA.

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After the Court Rules: Gaming out Responses to a Cutback in EPA Authority

Legal Planet

The Biden Administration would have plenty to work with in crafting new regulations. It might be able to tighten the squeeze on fossil fuels, however, by ramping up other pollution regulations dealing with interstate air pollution, ceilings for particular pollution, regulation of methane leaks from gas production, etc.

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Other 2023 N.C. Environmental Legislation

Smith Enviorment

The legislature put two provisions in the Appropriations Act of 2023 (House Bill 259) to prevent state agencies from adopting rules intended to reduce emissions of greenhouse gasses such as carbon dioxide (CO2) in the state. ’s current ozone SIP based on vehicle emission inspections in 19 N.C. AIR QUALITY.

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Clean Fleets Rule Slated to Deliver Healthier Air for Californians

Union of Concerned Scientists

Because last week, the California Air Resources Board (CARB) made history by unanimously adopting what is perhaps the most transformative clean trucks regulation ever considered—the Advanced Clean Fleets (ACF) rule. This rule creates the first-ever, economy-wide, zero-emission standard for large truck fleets.

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Huge gaps in detection networks plague emissions monitoring

Environmental News Bits

Plug gaps to measure ozone-destroying chemicals and greenhouse gases and verify compliance with Paris and Montreal treaties. Read the full story at Nature. Read more →

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