Science: Deep-frozen clues to a warmer world

From: The Independent - London | Date: May 9, 1994| Author: JOHN WRIGHT | Copyright information

Greenland's icy mountains may hold important clues to the way in which our climate is changing. Earlier this year, the United Nations Environment Programme (Unep) published figures showing that mountain glaciers around the world were in retreat. But there was a problem with this apparent evidence of global warming: the data covered only the period 1965 to 1989.

However, surveys of some high polar glaciers go back a good deal further, and some were remarkably accurate. As long ago as th...

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