Tibet's fragile ecosystem is in danger. China must change its flawed environmental policy | Lobsang Sangay

Rising temperatures on the roof of the world make Tibet both a driver and amplifier of global warming. China’s unchecked mining and dam building has to be reigned inDr Lobsang Sangay is president of the Central Tibetan AdministrationAs Australia continues to battle a water crisis and the challenges facing the world’s driest inhabited continent, Tibet on the other hand is Asia’s water tower, its principal rainmaker and the largest source of fresh water, feeding over a billion li