New Delhi, Feb. 8 -- The glacier burst which triggered Chamoli tragedy leading to the damage to the Rishiganga Project downstream was waiting to happen in the hydel plants dotted fragile mountainous region of Uttarakhand, environmentalists have said.

In fact, a 2019 study published in the journal Science Advances revealed that due to rising temperatures because of global warming, Himalayan glaciers are melting twice as fast since the start of the 21st century and have lot over a vertical foot and a half of ice each year.

"This melting of glaciers has created a potential threat of water supply for hundreds of millions of people in countries including India," said the researchers in their analysis, spanning 40 years of satellite observation...