Say What? Earth

‘River piracy’ on a high glacier lets one waterway rob another

Channel formed by melting ice diverts water flow, leaving loser high and dry

Kluane Lake

HIGH-WATER ROBBERY  The melting of Kaskawulsh Glacier in northwestern Canada diverted water flow from one river into another, plummeting water levels in the waterway that once fed Kluane Lake (shown). 

Jim Best/University of Illinois

By Thomas Sumner

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