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Last modified on Wed 28 Apr 2021 19.00 EDT The melting of the world’s glaciers has nearly doubled in speed over the past 20 years and contributes more to sea-level rise than either the Greenland or Antarctic ice sheets, according to the most comprehensive global study of ice rivers ever undertaken. Scientists say human-driven global heating is behind the accelerating loss of high-altitude and high-latitude glaciers, which will affect coastal regions across the planet and create boom-and-bust flows of meltwater for the hundreds of millions of people who live downstream of these “natural water towers”. Between 2000 and 2019, glaciers lost 267 gigatonnes (Gt) of ice per year, equivalent to 21% of sea-level rise, reveals a paper published in Nature. The authors said the mass loss was equivalent to submerging the surface of England under 2 metres of water every year.

New zealandUnited statesChina generalSamuel nussbaumerRomain hugonnetWorld glacier monitoring serviceUniversity of toulouseUniversity of zurichEuropean alpsபுதியது ஜீலாந்துஒன்றுபட்டது மாநிலங்களில்சீனா ஜநரல்உலகம் பனிப்பாறை கண்காணிப்பு சேவைபல்கலைக்கழகம் ஆஃப் டவுலஸ்பல்கலைக்கழகம் ஆஃப் ஸுரிஐரோப்பிய ஆல்ப்ஸ்