Every year during the high season, nearly 2,000 climbers at Everest Base Camp generate roughly 6,000 liters of urine per day, according to an international study. Because urine leaves the body at body temperature, it acts like warm water on the ice, melting up to an estimated 154 tons of snow per season on the Khumbu Glacier—an environmental impact further compounded by heat from camping stoves and dark soot from campfires. In response to this severe ecological degradation and waste challenge, Nepalese authorities are now considering relocating the base camp to a non-icy area and enforcing stricter waste management regulations.
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