Researchers at Zurich University are forecasting that alpine glaciers will all but vanish by the end of the century if global warming is not halted.
Results of computer modelling experiments show that the Alps will lose 80 per cent of their glacier cover if summer air temperatures rise by three degrees Celsius.
"Especially in densely populated high mountain areas such as the European Alps, one should start immediately to consider the consequences of such extreme glacier wasting on the hydrological cycles, water management, tourism, and natural hazards," said lead author of the report, glaciologist Michael Zemp.
Although not part of the study, a huge mass of rock (about two million cubic metres) currently threatening to break off the Eiger mountain has been caused by the retreat of the Lower Grindelwald Glacier over the past few decades, geologists believe.
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