Sherpa mountaineers in Nepal say, a rise in the rate of snow and ice melt on Mount Everest has exposed bare rock faces and made it dangerous to climb. They say crampons and ice axes, usually used on Mount Everest, are now becoming hazardous equipment. The climbers say if the ice continues to melt at the same rate, it will threaten future expeditions. Studies show temperatures rising faster at Mount Everest than in the rest of South Asia. They show the rise has led to a reduced snowfall over the mountains and has caused glaciers to melt. Mount Everest is the highest point on earth, with a summit 8,850 meter above sea level. <br/>