Testing sewage for the coronavirus could provide vital clues to its spread in areas where mass testing is difficult.
A wide range of innovative digital technologies can improve the efficiency and resilience of water services.
The idea that rural water schemes are only sustainable if small, simple and locally managed is a bias that must be overcome to get more clean water to the people who need it.
Thanks to innovative taxation and urban services reforms, the city is on its way to becoming smart.
In 10 years, Kolkata will enjoy a 24/7 water supply and other related services.