Last May, record temperatures provoked a GLOF or glacial lake outburst flood in northern Pakistan, sweeping away bridges and villages in the valley below the Shisper glacier. Higher up the mountains, a semi-nomadic people called the Wakhi were leading their yaks to summer pastures. Their traditional lifestyle has also been heavily impacted by climate change. We profile both the scientists and the villagers on this global warming frontline. Episode director: Karim Shallwanee Series director: Andrew Tkach Locations: Gilgit-Baltistan region, #Pakistan VRW-019