For the last two climbing seasons, Dawa Sherpa has missed scaling the summit of Mt Everest. But the climate ambassador for the World Wildlife Fund (WWF) and two-time Everest summiteer may not be relishing the thought of bearing witness once more to the impact of rising temperatures on the world's highest peak.
The climate of fear that has been growing in this Himalayan country since the murder of two media entrepreneurs and other attacks on journalists may well push them to turn to more self-censorship.