STRETCHING about two meters, the tributary at one point in the Weda Bay Nickel concession area appears brownish. From an altitude of 900 meters above sea level, the murky water from the Sagea River in Central Halmahera Regency, North Maluku, flows into the valley. “If it rains, it becomes even browner,” said Aziz Fardhani, a researcher from Forest Watch Indonesia (FWI), showing a video of the condition of the upper Sagea River to