Since the reform and opening up, China's economy has developed rapidly and people's living standards have improved substantially, but the traditional development model has paid a heavy price in terms of resources and the environment. There used to be this term called “airpocalypse” in China, a decade ago. A decade later, an unprecedentedly short period for a nation of its GDP and size, China has brought these blue skies - cleaner air - across the country. How did they do it? Tune in this episode of In Fact with Kyle Obermann.