It took three days, 100 firemen, 12 fire engines and eight tankers to douse the flames that engulfed Deonar — Mumbai’s largest garbage dump — in January last year. The city’s municipal body received a rap on the knuckles for its inaction along with an order to halt new constructions in the city till it increases its waste treatment capacity. While the civic administration is yet to move in that direction, one city dweller has taken up the environmental cause and turned it into an enterprise.