May 13, 2019  |  by Madhu Krishna  |  Add a comment»

Around the world, one in two people live in an urban area. And, between now and 2050, three countries—India, China, and Nigeria—are expected to account for 35 percent of the growth in the world’s urban population, with India adding the most to this, a projected 416 million urban dwellers. Managing human feacal waste in India…