70 Years Since Historic Everest Summit: Challenges of Pollution, Overcrowding, and Climate Change.

Seventy years have passed since New Zealander Edmund Hillary and Nepali Tenzing Norgay Sherpa made history by becoming the first humans to summit Mount Everest on May 29, 1953. This British expedition catapulted the two men into the global spotlight and forever transformed the world of mountaineering. Edmund Hillary and Tenzing Norgay. Today, hundreds of climbers attempt to conquer the 8849m (29,032-foot) peak each year, but this influx of adventurers has brought with it pollution and overcrowding, tarnishing the once pristine mountain. Back in 1953, the successful expedition marked the culmination of nine attempts to reach the summit. It took…