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A NASA airborne laboratory, flying out of Punta Arenas in southern Chile, is conducting the largest airborne survey of Earth's polar ice caps.
With plans to map three-dimensional views of the Antarctic region and armed with sophisticated radar and altimeter lasers, "Operation Ice Bridge" will enable scientists ble to compare ice sheets' thickness from one year to the next which will help determining how quickly the ocean may rise.
The study will produce similar data on the Arctic region.
The effects of melting ice caps are one of the issues being highlighted at the 2011 United Nations Climate Change Conference under way in South Africa.
Al Jazeera's Lucia Newman reports from over the Antarctic Peninsula.
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At Al Jazeera English, we focus on people and events that affect people's lives. We bring topics to light that often go under-reported, listening to all sides of the story and giving a 'voice to the voiceless.'
Reaching more than 270 million households in over 140 countries across the globe, our viewers trust Al Jazeera English to keep them informed, inspired, and entertained.
Our impartial, fact-based reporting wins worldwide praise and respect. It is our unique brand of journalism that the world has come to rely on.
We are reshaping global media and constantly working to strengthen our reputation as one of the world's most respected news and current affairs channels.
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