Is China the Next Green Superpower?

China is going all in on green technologies. Banks are slowing down the investment in domestic coal mines. People are buying more electric cars than anywhere else. And the country is investing in wind, solar and hydro power unlike any other nation. They're also doubling down on nuclear energy. But what's the end goal? Is this environmental movement really about pleasing the middle class and clearing out the smog? Or is China just positioning itself for economic success?