There are two categories of change that create sinkholes. One type is associated with carbonate rock. This is a type of rock that can develop caves because the rock dissolves when underground water is ...

Sinkholes are fairly common in Philadelphia due to aging water lines that leak or burst, causing the surrounding soil to wash ...

Research has found there is evidence linking sinkholes to climate change, including droughts and floods.

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Laura Toran is a hydrogeologist and professor emeritus of environmental geology at ...