The United Nations has warned that the Himalayan region faces a growing risk of more severe glacier-related floods in coming years as climate change accelerates glacier melt. Rising water pressure in mountain lakes and ice dams could cause glacier lakes to burst suddenly, sending destructive floods downstream. Senior UN official Kanni Wignaraja described conditions in the Himalayas as deeply concerning.
The warning follows a major glacier and mountainside collapse in the Nepal-China border area of the Himalayas on August 26. Flows of ice, rocks, mud and water destroyed homes, roads, bridges and power plants across wide areas of Nepal. The reported death toll in Nepal has exceeded 1,000, while about 4,000 people remain missing; Tibet also suffered deaths and extensive damage.
UN officials said 47 dangerous glacier lakes were identified across Nepal, China and India in 2020, and the number is believed to have risen. At least 15 large hydropower projects under construction in Nepal were damaged. Experts urge improved forecasting, glacier-lake monitoring and cross-border information sharing, while noting that further scientific research is needed to conclusively attribute any specific disaster directly to climate change.
হিমালয় অঞ্চলে আগামী বছরগুলোতে আরো ভয়াবহ হিমবাহজনিত বন্যার ঝুঁকি তৈরি হচ্ছে বলে সতর্ক করেছে জাতিসংঘ। জলবায়ু পরিবর্তনের কারণে হিমবাহ দ্রুত গলে যাওয়ায় পাহাড়ি হ্রদ ও বরফের বাঁধে পানির চাপ বাড়ছে। এতে আকস্মিকভাবে হিমবাহ হ্রদ ভেঙে ভয়াবহ বন্যা নেমে আসার আশঙ্
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