While it may seem like a waste that some two-thirds of the world’s available freshwater is frozen in glaciers and polar ice caps, their recent thawing illustrates why frozen freshwater is important. Salt water absorbs more heat than fresh water, so as glaciers and ice caps dump more and more fresh water into oceans, they begin to reflect more heat, which effects more melting, and so forth… This harmful feedback loop is one of many that contributes to the ever-increasing pace of global warming.
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