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?

Ozone 189

Ozone Ground-Level Ozone Air Pollution Clean Air Act 189

Breezometer

DECEMBER 7, 2021

Our ozone layer serves as a lifesaving UV barrier for planet earth, functioning to absorb most of the sun’s ultraviolet radiation. At the same time, ground-level ozone pollution is extremely harmful to human health. Good Ozone’: Our Essential Sun Shield. How is Ozone Created?

Ozone 98

Ozone Ground-Level Ozone Radiation Nitrogen Oxides 98

PA Environment Daily

APRIL 24, 2024

million to seven applicants for the PA State Clean Diesel Grant Program , which provides financial incentives and support for fleet owners and operators to reduce air pollution from their vehicle fleets. Transportation is one of our biggest areas of impact for improving air quality,” said DEP Interim Acting Secretary Jessica Shirley.

Ground-Level Ozone 85

Ground-Level Ozone Nitrogen Oxides Air Pollution Ozone 85

PA Environment Daily

AUGUST 6, 2022

The following factsheet on asthma and air pollution from natural gas facilities was compiled by the Environmental Health Project -- Asthma is a chronic disease that affects breathing. Asthma attacks, also known as exacerbations, may be triggered by indoor and outdoor air pollution, stress, and other physical and environmental factors.

Air Pollution 57

Air Pollution Natural Gas Ground-Level Ozone Nitrogen Oxides 57

PA Environment Daily

FEBRUARY 28, 2023

Getting more zero- and low-emission vehicles on the road in Pennsylvania helps reduce harmful air pollutants, including nitrogen oxides, carbon monoxide, particulate matter, and volatile organic compounds. It also helps lower the level of carbon dioxide, one of the greenhouse gases heating up the climate, in the air.

Nitrogen Oxides 74

Nitrogen Oxides Ground-Level Ozone Carbon Monoxide Carbon Dioxide 74

PA Environment Daily

AUGUST 31, 2023

Getting more zero- and low-emission vehicles on the road in Pennsylvania helps reduce harmful air pollutants, including nitrogen oxides, carbon monoxide, particulate matter, and volatile organic compounds. It also helps lower the level of carbon dioxide, helping to address climate change.

Nitrogen Oxides 84

Nitrogen Oxides Ground-Level Ozone Carbon Monoxide Natural Gas 84

PA Environment Daily

OCTOBER 1, 2022

By replacing older polluting engines and equipment with new technologies, funded projects remove nitrogen oxide, carbon monoxide, particulate matter, and hydrocarbon pollution from the air. The projects are located in high-population areas with dense traffic and high air pollution levels.

Nitrogen Oxides 57

Nitrogen Oxides Clean Energy Ground-Level Ozone Carbon Dioxide 57