Swaths of Pennsylvania and many other states are honeycombed with old, unstable mines that can cause the earth to suddenly give way — a phenomenon known as “ mine subsidence ” that poses a threat to ...

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For James and Laurie LaFontaine, it has been a 30-year journey, working to clean up a creek said to be the source of a majority of the pollution found downstream in the Allegheny River at Pittsburgh.

An Indiana County project is getting a half-million-dollar share of $5,222,250 in federal funds being awarded through the Pennsylvania Department of Environmental Protection for the restoration of ...

Abandoned coal mines could be significant sources of greenhouse gases, releasing carbon dioxide into the atmosphere. Recent research reveals that these forgotten sites continue to influence our ...

There are about 500,000 abandoned mines in the United States, according to the Mine Safety and Health Administration, and these long-forgotten facilities can pose a variety of risks to people unaware ...