Flooding by glacial lakes; Some fifteen million people worldwide could be threatened by sudden overflows of glacial lakes, and the most

Half of the Earth's glaciers, even the smallest, are doomed to disappear by the end of the century due to climate change

Gangotri Glacier; The average rate of retreat of the largest glacier in Uttarakhand, about 30 kilometres long, between 0.5 and 2.5 kilometres