East Kalimantan is home to 1,212 coal mining operations, permits for which were issued by local administrations as authorized under the Regional Autonomy Law. There are an additional 32 permits issued by the central government. In neighboring South Kalimantan, there are around 400 mining operations.
Excerpt from The Jakarta Globe.IMHO, there’s nothing wrong with mining since most of mining company, the legal one, implement good mining practices. Set aside them and you’ll find illegal mining activities having no obligation on mine closure. That’s the key issue in Kalimantan.