Of more than 75 rainwater recharge wells in Chennai's Kalakshetra Colony, the resident welfare association (RWA) has financed the construction of 28, to combat the torrential downpours and floods.
When T. Siva Ramalingam had moved to the city sometime in the early 2000s, he found that not only was Chennai sweltering hot; there were also very few trees and plants in the surrounding areas that further aggravated the heat.