Although the country treats 67 per cent of its wastewater, it needs to invest in infrastructure maintenance to reduce costs in the long-term, finds a joint report by Economist Impact and Nippon Foundation.
Local Indigenous communities say the mining sites have put their food security at risk, with pollution affecting fruit trees and root vegetables as well as depletion of local fisheries.
A joint venture between Indonesia’s state-owned electricity utility PLN and Saudi developer ACWA Power says it remains on track to build Sumatra’s largest floating solar power array on Lake Singkarak by 2027.