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The poster combines penguins and polar bears that live in the north and south poles separately, and yet they are suffering global warming contemporaneously. White and blue colors represent ice and ocean respectively. If blue area is greater than white one, it means sea-level rising and ice melting gradually. As far as now the number of penguins declined sharply up to 65%. At the same time, the number of polar bears may remain 20,000 by year 2050. Hope people could realize the impact of global warming.