Ep. 7: Why China's ahead in the green energy 'gold rush'
China has bet big over the past couple of decades on how building up its renewable energy sector -- solar panels, wind turbines, electric vehicles and their batteries, and the metals and minerals that make them all possible -- will help China achieve a dominant global position in an essential field. So far, with intensifying climate change making the need to speed the transition from fossil fuels to renewables ever more urgent, China is winning that bet. China's efforts, with fi...