In the Netherlands, like for many low-lying urban regions of the world, subsidence poses a silent but very real threat to many parts of the built environment. If we do nothing, the costs of damage ...

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 ...

“There’s an ongoing need across Pennsylvania to invest in abandoned mine land reclamation,” Haaland said. Unlike some other residents, Byers hasn’t noticed any tell-tale signs of ...