A power plant near Katowice, Poland, the host city for a major global climate conference that began on Dec. 2, 2018. It is the most important climate meeting since the 2015 Paris climate agreement was signed.

A power plant near Katowice, Poland, the host city for a major global climate conference that began on Dec. 2, 2018. It is the most important climate meeting since the 2015 Paris climate agreement was signed.