Union of Concerned Scientists
MAY 17, 2023
Earlier this month, the Environmental Protection Agency’s (EPA) Clean Air Scientific Advisory Committee (CASAC) released a draft set of recommendations calling on the EPA to tighten its current standard for ground-level ozone pollution to protect public health. But will the EPA follow CASAC’s recommendations?
Union of Concerned Scientists
MAY 13, 2024
The air quality for this report was calculated using data reviewed by EPA from 2020, 2021, and 2022. The American Lung Association’s State of the Air report measures three of the major types of pollutants in the San Joaquin Valley: long-term particle matter, short-term particle matter, and ozone.
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Legal Planet
AUGUST 22, 2023
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.
HumanNature
DECEMBER 5, 2023
peaked on the Google search engine in September 2020, coinciding with the western United States wildfires that, up until this year, set the precedent for wildfire smoke with the greatest impact to US population. Closer to home, skies in Fort Collins rained ash during the 2020 Cameron peak fire. The question “ why is the sky orange?
Vorys Law
MAY 20, 2021
Ohio EPA has proposed rules that will require additional Volatile Organic Compound (VOC) and Nitrogen Oxide (NOx) emission controls for certain manufacturing and industrial operations located in the Cincinnati and Cleveland 2015 ozone nonattainment areas. Like VOCs, NOx is a precursor compound which can form ozone.
Union of Concerned Scientists
OCTOBER 13, 2022
and nitrogen oxides (NOx) from the numerous commercial and government fleets of MHD vehicles in the state. California’s Advanced Clean Trucks (ACT) rule passed in 2020, which required manufacturers to sell an increasing percentage of zero-emissions MHD vehicles, was an excellent start.
PA Environment Daily
SEPTEMBER 22, 2022
The authors of the study based their results on industry-disclosed Hazardous Air Pollutants data submitted to the Federal Energy Regulatory Commission as part of natural gas infrastructure applications between 2017-2020. This includes new regulations in Pennsylvania. Read more here. Read more here. Read more here.
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