Ganga second-most polluting river in world; China's Yangtze tops the list
The study added that two-thirds of the pollution comes from the 20 most polluting rivers, with majority of them in Asia.
Jun 09, 2017, 16:10 PM IST
The study added that two-thirds of the pollution comes from the 20 most polluting rivers, with majority of them in Asia.
Jun 09, 2017, 16:10 PM IST