In 2016, Mumbai's Cooper Hospital started managing their waste effectively through a simple process of vermi-composting (composting done with the help of earthworms). Today, the hospital is known in the city as a role model for effective waste management as it is daily converting its 150 kilograms of kitchen waste to manure that yields in the regular supply of food products like pumpkins, sweet potatoes, lemons, tomatoes, capsicums, banana, to name a few. Here’s what the hospital is doing.