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retreat glaciers glacier retreating climbs tougher makes some himalayas alps
2005 retreat glaciers ice times york science constantine david january
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patagonia upsala glaciares glaciar glacial retroceso hielo ghiacciaio evidence advierte spazio argentinos perdido kilómetros derretimiento ritira spettacolari stazione emozionanti globalnews
glaciers retreating lapse proof kilometers whopping retreated
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glaciers melting switzerland sees shrink 1059 hkt
glaciers patagonia eorc jaxa hpn retreats significant glacier
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