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“The tragedy in the Alps, in a mountain I know well, is the result of human-induced global warming: our beloved ecosystems – mountain glaciers, rainforests, wetlands, coral reefs – are being destroyed by the direct consequence. of crazy human behavior “. He is disheartened Jeffrey Sachsborn in 1954, economist from Columbia in New York, director of the Earth Institute of his university for fifteen as well as a long-time UN consultant on environmental issues also with the current secretary general Antonio Guterres.