China: Environmental Friend or Foe?

The pace of China's economic development is transforming that country and raising the standard of living, but it's also a danger to the Chinese people and to the rest of the world. In January of this year, Beijing and 30 other cities were smothered by what's called the "airpocalypse." Was that a turning point? Can green energy make a difference? We hear about air and water pollution, and the consequences for global warming.