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South Asia is rapidly urbanizing. The cities of India alone are expected to swell by more than 200 million people in the next 15 years. Dhaka, the capital of neighbouring Bangladesh, is the world’s fastest growing megacity. As cities spread out, consuming more land and water, the communities around them experience many of the associated growing pains. Water scarcity particularly concerns residents of these peri-urban areas. Climate change compounds the problem as it affects hydrology across the subcontinent, from rising sea levels in the Bay of Bengal, to melting Himalayan glaciers, and erratic monsoons.
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