Rescue operations continue on Aug 28 after a massive flood swept through a river valley in Nepal and the Tibet region of China, with experts warning of the risk of further floods from clogged rivers. The US Geological Survey said the disaster was caused by a glacial collapse that triggered a vast flow of icy debris. Speaking to CNA’s Asia First, University of Dayton geosciences professor Umesh Haritashya says scientists need to look beyond melting glaciers to the growing risks posed by thawing permafrost as the climate warms. He explains how warming temperatures can destabilise entire mountainsides and why the threat does not stop at national borders. Read more: https://cna.asia/4qFCpWr Subscribe to our channel here: https://cna.asia/youtubesub Visit our website: https://cna.asia Download our app: https://cna.asia/app Get our editors' picks of stories via chat apps: Telegram: https://cna.asia/telegram WhatsApp: https://cna.asia/whatsapp Follow us on these platforms: https://www.facebook.com/channelnewsasia https://www.instagram.com/channelnewsasia https://www.tiktok.com/@channelnewsasia