(CNN) The floor of the Chembarambakkam reservoir is cracked open, dry and sun-baked. About 25 kilometers (15.5 miles) away, in Chennai, India’s sixth largest city, millions of people are running out of water.

Chembarambakkam and the three other reservoirs that have traditionally supplied Chennai are nearly all dry, leaving the city suffering from an acute water shortage, said Jayaram Venkatesan, an activist in the city.  (Read More…)