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Global Waters Running Dry: UN Warns of 'Water Bankruptcy'
3 Mar
Summary
- Global water resources face unprecedented pressure and depletion.
- Half of the world population faces water shortage annually.
- India is adopting AI and traditional methods to combat water scarcity.
A United Nations University report indicates a global state of 'water bankruptcy,' a severe condition where water withdrawal exceeds replenishment. This crisis is driven by growing demand, declining water quality, and depleting resources, with half the world's population facing annual water shortages. Over the past 50 years, the world has lost vast areas of natural wetlands, impacting ecosystem services and global food security.
Climate change exacerbates these issues through more frequent extreme weather events, leading to significant glacier melt and sea-level rise. In India, the water crisis is being addressed through a combination of advanced technologies like Artificial Intelligence and the revival of traditional water harvesting methods such as stepwells. Cities like Shimla, Chennai, and Bengaluru have experienced 'Day Zero' scenarios.
India's surface water, primarily from Himalayan river systems, is facing temporal variability and uneven distribution. Despite numerous water bodies, a significant portion has limited storage capacity. Projections suggest India's per capita water availability will drop significantly by 2050, intensifying pressure on urban areas.
Addressing this requires an integrated global and national response. Beyond focusing on drinking water, sanitation, and hygiene, there's a need to tackle groundwater depletion, water quality degradation, and ecological impacts. Climate-resilient water governance, including inter-state basin management and investment in 'sponge-city' infrastructure, is crucial for ensuring water security.
