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News Link • Environment

Greenland and Antarctica 'have lost four trillion tonnes of ice' in 20 years

• guardian.co.uk
 

More than 4 trillon tonnes of ice from Greenland and Antarctica has melted in the past 20 years and flowed into the oceans, pushing up sea levels, according to a study that provides the best measure to date of the effect climate change is having on the earth's biggest ice sheets.

The research involved dozens of scientists and 10 satellite missions and presents a disturbing picture of the impact of recent warming at the poles.

The scientists claim the study, published in the journal Science, ends a long-running debate over whether the vast ice sheet covering the Antarctic continent is losing or gaining mass.

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