Sep.04 - As the world's largest emitter of carbon dioxide, China holds the fate of the planet's climate in its hands. This week on "BloombergGreen," we speak to one of the nation's leading environmentalists, Ma Jun, on how Beijing can get to net zero by 2060. We also look at why China's 'Great Green Wall' that holds back the Gobi desert is under threat. Plus: the dark side of solar panels. We investigate an industry that relies on key ingredients from the troubled region of Xinjiang.