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Rapid Himalayan Growth Puts 300,000 in Disaster's Path
29 Oct
Summary
- Built-up land in high-risk Himalayan zones grew 45% between 2016-2023.
- Flood risk zones saw development surge by almost 78% in the same period.
- Warming climate accelerates glacier melt, destabilizing slopes and filling lakes.
A recent study reveals that approximately 300,000 people in the Himalayan region now reside in areas prone to potential disasters. Between 2016 and 2023, built-up land in high-risk zones across northern Nepal, southeastern Tibet, and India's Uttarakhand increased by about 45%.
Development in areas particularly vulnerable to glacial lake flooding saw an even more dramatic rise of nearly 78% over the same period. The researchers caution that the actual number of individuals at risk could be significantly higher than their analysis indicated.
The study highlights development in tourism facilities, infrastructure, and real estate. Pokhara, a major tourism hub, has experienced substantial growth, with its mayor noting the challenge of managing flood risks from the Seti Gandaki River.
The rapid melting of glaciers due to regional warming, which occurs at twice the global rate, is a primary driver of these escalating risks. This melting destabilizes mountain slopes and causes glacial lakes to expand and burst, leading to devastating floods.
Scientists emphasize that current development decisions will dictate disaster risks for decades. Authorities in Nepal are introducing new regulations, such as banning settlements within 15 meters of riverbanks, to address these growing concerns.
