When a friend came visiting Ankit Agarwal’s house in Kanpur in 2015 and expressed interest to see the ghats of Ganga, they were aghast to see the river turning carcinogenic. “It was easy at first to place the blame on the tanneries, factories, and sewers that were indiscriminately dumping their refuse into the river. While we gazed at the dirty water in culpable silence, we saw the colourful flowers being dumped from the temples nearby turn into mulch as they accumulated, and their colours faded away into the murky waters,” he reminisces.

https://www.financialexpress.com/lifestyle/how-companies-and-startups-are-using-three-rs-of-waste-management-to-tackle-global-challenges/3014412/