Ice is melting and permafrost is thawing in the Nepal HimalayaPermafrost thaw slump in the Kali Gandaki River, Nepal HimalayaThe moraine-dammed proglacial lake of the largest valley Laigu Glacier, TibetHigh summer melt flow and sediment from the Dongkemadi Glacier, Tibetan Plateau (photo by S.Wang).Ice avalanche and landslide into moraine-dammed glacial lakes may trigger displacement waves and GLOFs (The Bienong Tsho, Jiali county, Tibet)A dying valley glacier in Ranwu, southeastern TibetThermal subsidence in the headwater of the Yangzte RiverLarge-scale permafrost thaw slumps in the Fenghuoshan region on the Tibetan Plateau (34. 71N, 92.90E) (Photo by C. Song)Thermal erosion landforms in the source region of the Yangtze River, central Tibetan PlateauProglacial area in the headwater of the Yangtze RiverBraided channel of the Buqu river, originating from the Jiangendiru Glacier, Tibetan PlateauBank erosion in Buqu River, central Tibetan PlateauDongfeng Li surveying the river channel of the headwater of the Mekong using UAV and RTKDongfeng Li and colleagues surveying the river channel of the headwater of the Yangtze using UAV and RTK