What will it take to fix China's pollution problem?

I found a piece of news about a controversial issue in China on CNN.

China’s air quality is getting worse, so  the new president Xi Jinping tries to address its problem now.  While there is a question: “How can the Chinese fix the problem?”, there is no clear answer. As one solution, slowing down the industrial economy includes good and bad effects.

I think we Japanese surely know about the air pollution problem in China is in critical condition now. Although Japan sometimes focuses on its dirty air in Japan, it is clear that the level of cleanliness of the air is much worse than Japan and other countries. As article says, cutting down workforce in industrial section can be a good effect to China, while it causes much unemployment of the Chinese, so it is difficult to balance the economy and environment. In metropolitan areas of China, the technology is developed so I think introducing more electric cars in the near future should be a good remedy for air pollution. I hope Japan develop natural resources more and more.

Please let me ask you some questions:

1. Can you come up with some ideas to tackle the problem which can keep good balance between in economy and environment?

2. Which do you think is more important to put only one emphasis on the economy or the environment?