Growing up surrounded by the towering smokestacks of coal-fired power stations, 22-year-old Siya Mokoena's life is inextricably linked to the coal industry that dominates his hometown of Emalahleni in South Africa's eastern province of Mpumalanga. Like many in Emalahleni, generations of Mokoena's family have worked in the coal sector. His father, a miner, was laid off in March when his mine was shut down.