ROGOWIEC, POLAND - NOVEMBER 29: A man walks through the village of Kleszczow as steam and smoke rise from the Belchatow Power Station behind on November 29, 2018 at Rogowiec, Poland. The Belchatow station, with an output of 5,472 megawatts, is the world's largest lignite coal-fired power station. The station emits approximately 30 million tonnes of CO2 per year. The United Nations COP 24 climate conference is due to begin on December 2 in nearby Katowice, two hours south of Belchatow.  (Photo by Sean Gallup/Getty Images)