Instead of having separate indices for soil, water and air, Comprehensive Environmental Pollution Index (CEPI) combines all of them in a single index, to assign a numerical value to the extent of pollution in an industrial cluster.
Growing up, I thought my city, Madras (that is also Chennai) was just unfortunate to be permanently water-starved. We were dependent on the monsoons to fill up the city’s reservoirs and recharge groundwater.
