Smoke billows from plants in Minsk, Belarus, Thursday, Dec. 6, 2018. The two-week U.N. climate meeting in Poland is intended to finalize details of the 2015 Paris accord on keeping average global temperature increases well below 2 degrees Celsius (3.6 Fahrenheit). (AP Photo/Sergei Grits)

Birds fly past a plant in Minsk, Belarus, Thursday, Dec. 6, 2018. The two-week U.N. climate meeting in Poland is intended to finalize details of the 2015 Paris accord on keeping average global temperature increases well below 2 degrees Celsius (3.6 Fahrenheit). (AP Photo/Sergei Grits)

A man walks as smoke billows from a plant in Minsk, Belarus, Thursday, Dec. 6, 2018. The two-week U.N. climate meeting in Poland is intended to finalize details of the 2015 Paris accord on keeping average global temperature increases well below 2 degrees Celsius (3.6 Fahrenheit). (AP Photo/Sergei Grits)

Partially covered by fog heating plant is seen in Minsk, Belarus, Thursday, Dec. 6, 2018. The two-week U.N. climate meeting COP24 in Poland is intended to finalize details of the 2015 Paris accord on keeping average global temperature increases well below 2 degrees Celsius (3.6 Fahrenheit). (AP Photo/Sergei Grits), APTOPIX