Drainage from abandoned coal mines can carry massive loads of carbon dioxide, venting to the air decades or even centuries ...

There are as many as 500,000 abandoned mines nationwide — far outnumbering those that are still active, according to the federal Mine Safety and Health Administration. Rescue workers search through ...

For the past 250 years, people have mined coal industrially in Pennsylvania, U.S.. By 1830, the city of Pittsburgh was using ...

OFFICIALS WANT YOU TO HEAR IN THE AFTERMATH OF THIS TRAGEDY. PENNSYLVANIA’S DEPARTMENT OF ENVIRONMENTAL PROTECTION SAYS ONE THIRD OF AMERICA’S ABANDONED MINE LANDS ARE HERE IN PENNSYLVANIA. I’M ...

Since 1962, a fire has burned beneath Centralia, Pennsylvania, a once-bustling mining town that is now home to only a handful ...

Reed Johnson at his property in Clearfield County. Abandoned mine waste pollutes the nearby Little Anderson Creek. On a sunny afternoon in late February, Reed Johnson trudges through the slushy snow ...

Long-abandoned coal mines may still be quietly releasing CO₂ into the atmosphere through their drainage waters.

Dozens of people get injured or die in the U.S. every year because they don’t follow this simple advice: Stay out of abandoned and active mines and surrounding lands. Abandoned mines are not history ...

Swaths of Pennsylvania and many other states are honeycombed with old, unstable mines that can cause the earth to suddenly give way and threaten people and property. That's what searchers in ...

Swaths of Pennsylvania and many other states are honeycombed with old, unstable mines that can cause the earth to suddenly give way and threaten people and property. That's what searchers in ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Swaths of Pennsylvania and many other states ...