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Wild World: Glacier Quiz
It seems that when we hear about glaciers these days, it's because they're
shrinking. Is it because of natural, cyclical climate changes or because
humans are destroying the environment? As with all issues involving global
warming, there's a lot of debate about it. But one thing's for certain --
total glacier melt would be an enormous catastrophe. Do you know how high
sea levels would get if the world's glaciers melted?





