Pipelines transport petroleum products, shale gas, and even carbon dioxide from extraction sites to processing plants and, eventually, end-users. A ubiquitous part of the American landscape, more than 2.78 million miles of gas pipeline are regulated by the U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration (PHMSA).

Thousands of Pennsylvanians, especially children and seniors, are breathing air polluted by shale gas development (SGD), sometimes called...

Air pollution is a known threat to public health . The World Health Organization (WHO) estimates that as many as 4.2 million premature...

The Environmental Health Project (EHP) works closely with other organizations to share air monitoring and data analysis capabilities in...

In 2024, the State of the Air report, published annually by the American Lung Association, reported that 39% of Americans—131.2 million...