see more

Smoke rises from a chimney of the Wujing Coal-Electricity Power Station in Shanghai on February 21, 2017 / AFP / Johannes EISELE (Photo credit should read JOHANNES EISELE/AFP/Getty Images)

Smoke rises from a chimney of the Wujing Coal-Electricity Power Station in Shanghai on February 21, 2017 / AFP / Johannes EISELE        (Photo credit should read JOHANNES EISELE/AFP/Getty Images)