There's something about mountains that tugs at us. Maybe it's the crisp air, the promise of quiet, or the staggering views that look like they've been filtered by nature herself. Whether you're a keen ...

Mount Cho Oyu (8,188m) and Nepal's longest glacier, The Ngozumba, seen from a mountain sightseeing flight on Yeti Airlines this week. Photo: KUNDA DIXIT New research timed for the UN Climate Summit in ...