WEnvironmental impact of miningWAcid mine drainageWAcidophiles in acid mine drainageWHealth and environmental impact of the coal industryWEnvironmental impact of iron ore miningWEppawalaWEnvironmental impact of hydraulic fracturingWMonte Kali (Heringen)WEnvironmental impact of the oil shale industryWPhosphate mining in Banaba and NauruWQuarryWSpoil tipWSurface miningWRio Tinto (river)WUranium acid mine drainageWUranium mining debate