Forgot this one. All China has to do to clean up is air is stop making bling for the USA.

http://news.nationalgeographic.com/2017/05/china-renewables-energy-climate-change-pollution-environment/

https://www.weforum.org/agenda/2017/05/germany-just-broke-its-own-energy-record-and-generated-85-of-electricity-from-renewables-1a0ce984-9341-47ef-9ffe-4b4e17670627