Biochar technology for mine rehab - Philippines

http://www.philstar.com/business/2016/08/30/1618467/biochar-technology-mine-rehab

"Nickel mining companies Marcventures Mining and Development Corp. (MMDC) and Benguetcorp Nickel Mines Inc. (BNMI) have been given the green light by the Department of Environment and Natural Resources to engage in a mine rehabilitation project using activated biochar technology. According to Marcventures vice chairman Isidro “Butch” Alcantara, the project is not only in compliance with the new policy direction of the DENR to rehabilitate mined-out areas, but also complements the Surigao nickel miner’s initiatives in providing sustainable, organic and environmentally enhancing livelihood activities." ...