China’s emergence as a global economic Powerhouse has been remarkable. However this economic success was not achieved without environmental consequences. China is now one of the world’s largest greenhouse gas emitters and the country is facing severe air pollution challenges. The Chinese government sees poor air quality as a critical public health issue and is implementing a number of measures to tackle this challenge, ranging from industry regulations, regional action plans to national policies and laws. This has not only spurred a huge market for clean air technology development but also has created abundant new opportunities for the United States and China to work together to support the global climate change goals.