Nepal, May 1 -- Nepal's Sherpa community has made an unmatched contribution to Himalayan mountaineering since Sir Edmund Hillary and Tenzing Norgay Sherpa successfully climbed Mount Everest on 29 May 1953. There is often a Sherpa guide behind every successful ascent of the world's tallest peak or any other eight-thousand-meter-high mountain, or those below that height. Many have sacrificed their lives while saving fellow expeditionists en route to the peak or on the way back afterwards. Sadly, these very Sherpas are facing existential threats today because the younger generation of Sherpas appears to be losing interest in following the footsteps of their elders to pursue a career as mountaineering guides. Threats of climate change make ma...