Authorities are now mandating that climbers remove their waste from the mountain using biodegradable bags
It’s one of the more unedifying challenges involved in scaling to the highest point on Earth – how best to relieve oneself in the freezing, inhospitable environment of Mount Everest.
That question is about to become slightly more complicated as climbers prepare for a change in protocol when the season gets under way next month, with a new rule about removing their own faeces as they trek up and down the mountain.