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Nearly Half of US Breathes Unhealthy Levels of Pollution—Cars and Trucks Largely to Blame

Union of Concerned Scientists

The report provides renewed evidence of the consequences for our health of using fossil fuels In 1970 the Clean Air Act and the newly formed Environmental Protection Agency (EPA) were given authority by Congress to regulate pollution from passenger cars and other forms of transportation. These emissions, which in 2022 were 37.4

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DEP Posted 92 Pages Of Permit-Related Notices In March 8 PA Bulletin

PA Environment Daily

PA Bulletin, page 2008 ) PA Bulletin - March 8, 2025 Note: The Department of Environmental Protection published 92 pages of public notices related to proposed and final permit and approval/ disapproval actions in the March 8 PA Bulletin - pages 1930 to 2022. The revised permit would increase the acreage by 1.3 Received Aug.

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Railroads Are Running Dirty Diesel Trains Through Communities and No One Is Doing Anything About It

Union of Concerned Scientists

We can rebuild it—we have the technology (and lax regulations) Under the Clean Air Act, the Environmental Protection Agency sets emissions standards for engines in new locomotives. Each successively more stringent standard is defined as a particular “tier,” with today’s new engines currently required to meet Tier 4 emissions standards.

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Gov. Shapiro, CNX Resources Announce New Shale Gas Well Pad Air Monitoring Initiative

PA Environment Daily

Shapiro and CNX Resources Corporation announced the Department of Environmental Protection will begin conducting an independent study of unconventional shale gas well pad air emissions. On May 1, Gov. Read more here.] Air monitoring is likely to be completed in 2029. Click Here for the text of the Shapiro Administration announcement.

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Indirect Source Rules: An Emerging Route Toward Clean Freight

Union of Concerned Scientists

Although warehouses themselves are often not significant sources of air pollution, they attract high concentrations of heavy-duty trucks, which are the nations largest source of nitrogen oxides, a key contributor to ground-level ozone pollution.

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Part II - Health Impacts: State Dept. Of Health, Penn State Medical Webinars On Caring For Persons Living & Working In Communities With Oil & Natural Gas Extraction

PA Environment Daily

Flaring, demonstrated in the photo on the right, is the uncontrolled burning of excess or unwanted petroleum pools such as, excuse me, flaring can be a significant source of air pollution such as nitrogen oxides and greenhouse gas emissions. A study from 2022 found an increased odds of developing acute lymphoblastic leukemia.

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EPA Moves to Ignore Power Plant Carbon Emissions, Deny Climate Science 

Union of Concerned Scientists

On June 11, less than five months into the Trump administration, Environmental Protection Agency (EPA) Administrator Lee Zeldin used a rulemaking about regulating power plant carbon pollution to officially establish climate denial as EPA policy. But that’s just the start.