Nature and EnvironmentIndiaFighting froth: Help for India's waterways05:51This browser does not support the video element.Nature and EnvironmentIndia04/08/2022April 8, 2022The Yamuna in Delhi at times froths like a bubble bath. Rivers in India have a massive problem with detergents. Better wastewater management is needed, but greener cleaning agents can also help make a difference.Copy linkAdvertisement