Union of Concerned Scientists

MAY 21, 2025

For 25 years the report has helped people across the country understand the quality of the air in their communities. It presents air pollution data at the county-level for two pollutants, deadly fine particulate matter (PM 2.5 ) and ground-level ozone. The report analyses the concentration levels of PM 2.5

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Ozone Ground-Level Ozone Air Pollution Clean Air Act 246

Union of Concerned Scientists

MARCH 29, 2023

In 2015, when he took office as AG after stints in the Texas Legislature, he sued the Environmental Protection Agency for strengthening a standard for ground-level ozone, better known as smog. By railing against what he calls a “radical climate change movement” and suing the federal government to protect corporate polluters.

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Fossil Fuels Climate Change Sea Level Electricity 363

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?

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Ozone Ground-Level Ozone Air Pollution Clean Air Act 264