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Detailed explanation-1: -30 Indian cities to face increasing ‘water risks’ by 2050: WWF report. About 30 Indian cities will face increasing “water risks” in the next few decades according to a new report released by World Wide Fund for Nature (WWF).

Detailed explanation-2: -About 18 percent of households in the capital city, Delhi, do not have piped water supply. There is illegal construction near reservoirs, over extraction of groundwater, pollution in water bodies and wastage of residential water supply are some of the main reasons because of that Delhi is facing the water crisis.

Detailed explanation-3: -As we said, 21 Indian cities – including Delhi, Bengaluru, Chennai and Hyderabad – will run out of groundwater by 2020, affecting 100 million people; 40 percent of India’s population will have no access to drinking water by 2030, the report said.

Detailed explanation-4: -According to the scenarios in the WWF Water Risk Filter, the 100 cities that are expected to suffer the greatest rise in water risk by 2050 are home to at least 350 million people as well as nationally and globally important economies.

Detailed explanation-5: -And not just Chennai, cities across India have been facing acute water shortages due to massive population growth and rapid, unplanned urbanisation. A 2018 study published in Nature projected that by 2050, Jaipur would have the second-highest water deficit in the world, with Chennai at #20.