FILE - In this Thursday, Oct. 7, 2021 file photo, visitors watch a giant earth installation at the exhibition "The Fragile Paradise" inside the former industrial gas storage facility "Gasometer" in Oberhausen, Germany. The U.N. climate summit, known as COP26 this year, brings officials from almost 200 countries to Glasgow to haggle over the best measures to combat global warming. (AP Photo/Martin Meissner, File) Foto: Martin Meissner

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