Viral Kyrgyzstan avalanche video another warning of climate breakdown we’ll probably ignore

• The video clip is extraordinary – a mass of snow and ice shoots down a slope in the Tian Shan mountains and engulfs a trekking party, who all survive
• On July 2, debris falling from a glacier in Italy killed 11 hikers. But the events, probably exacerbated by climate change, are unlikely to deter adventurers