Water Crisis in Bangalore - Bangalore, India's $130 billion tech capital, faced a hydrological bankruptcy leading to a summer crisis in 2024 [4] - The crisis was caused by climate change, resulting in two consecutive years of monsoon failure, and human-induced aggravation by overexploitation of borewells [6] - During the crisis, the city faced a shortage of 500 million liters per day, equivalent to fulfilling the daily needs of 16 American average size cities with 100,000 residents [7] Solutions and Strategies - The Bangalore Water Supply Board (BWSB) devised five strategic actions to address the water crisis [8] - The BWSB installed 400 mini water distribution points initially, later expanding to 800, to provide water to urban slums [10][11] - The BWSB implemented 1 million aerators in apartments within two weeks, saving 50 million liters per day (MLD), and later expanded to 2 million aerators, saving 100 MLD in one month [14] - The BWSB convinced the construction sector and industries to use secondary and tertiary treated water instead of fresh water [15][16] - The BWSB collaborated with the Indian Institute of Science to innovate gurobacteria technology, producing 300,000 liters of gurobacteria water for cooling towers in IT parks [18] - The BWSB involved a startup company to fit IoT sensors in borewells to monitor data and sustain them for a longer time [19] Community Engagement - 9,000 volunteers enrolled as "Jal Mitras" (water friends) to spread the message of water conservation in the city [20] - More than half a million people took the water conservation pledge, marking the largest such commitment in human history [22]