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August 30, 2013 — A colossal and previously unmapped canyon has been found under Greenlandâs ice sheet. The canyon is 750km long, almost twice the length of the Grand Canyon in Arizona. Graphic shows location of the Greenland Canyon A previously unknown canyon has been discovered in Greenland, hidden beneath the ice. It is at…
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Mountaineers walk past the Iver glacier close to the El Plomo mountain summit, in the Andes mountain range, in the Santiago Metropolitan Region, Chile. File. | Photo Credit: Reuters Recent glacier retreat across the Andes is unprecedented in the history of human civilization, according to a new study published in the Science journal on Thursday….
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