It’s the world’s rarest ape. Now a billion-dollar dig for gold threatens its future

Tapanuli orangutans survive only in Indonesia’s Sumatran rainforest where a mine expansion will cut through their home. Yet the mining company says the alternative will be worseA small brown line snakes its way through the rainforest in northern Sumatra, carving 300 metres through dense patches of meranti trees, oak and mahua. Picked up by satellites, the access road – though modest now – will soon extend 2km to connect with the Tor Ulu Ala pit, an expansion site of Indonesia&r