Melting Ice and Sea Level
Global warming causes the glaciers to melt, thus making the level of the sea rise. This has increased by 3 mm per year since 1993; which may not sound like very much at first, but the mechanism is more complex than it seems. Indeed, the mechanical effect of the ocean’s expansion plays a large role in the phenomenon. Yet the melting of the Arctic, which is already well underway and could be finished by the end of the century, does not modify the level of the sea. It is like a floating ice-cube: it doesn’t make the glass overflow.
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Connie Hedegaard
“When the winds of change blow,” says an old Chinese proverb, “some build walls, and others build wind mills.”CommentsThese same... ![]()