This alarming revelation comes alongside another concerning statistic: the volume of glacial lakes has surged by 50 per cent in just 30 years, according to a 2020 study based on satellite data. While glacier lakes can emerge in any area left behind after a glacier retreats, the experts said GLOF hotspots are primarily concentrated in the eastern and central Himalayan regions. 📰 Climate Change, Pollution, Construction: Multiple Whammy to Fuel More Sikkim-Like Disasters, Warn Scientists.