The Schkopau coal-fired power plant operates near wind turbines in Teutschenthal, near Halle, eastern Germany, Oct. 15, 2024. (AP Photo/Matthias Schrader, File)
Nearly 200 nations faced a Monday deadline to file what the United Nations' climate chief calls “among the most important policy documents governments will produce this century” — their plans on how they will cut emissions of heat-trapping gases.