The main mining techniques used for extraction, horizontal drilling and hydraulic fracturing, have been linked to various problems like water shortages, groundwater contamination, methane gas seeps, micro-earthquakes and coal fires.
Ang pangunahing pamamaraan ng pagmimina na ginagamit para sa pagkuha, pahalang pagbabarena at haydroliko fracturing, ay naka-link sa iba't-ibang mga problema tulad ng kakulangan ng tubig, lupa kontaminasyon, methane gas seeps, micro-lindol at karbon sunog.