NEET BIOLOGY

Detailed explanation-1: -About two million tons of chemical, human, and agricultural waste pours into the Ganges every day.

Detailed explanation-2: -Every day, around three million litres of sewage is emptied into the Ganges – and only about half of that has undergone any kind of treatment. The river’s waters are so dirty that it’s considered one of the most polluted waterways in the world.

Detailed explanation-3: -The Ganges river in India is more than 2, 500km long and has the most populated river basin in the world. Hundreds of millions of people and a huge range of wildlife rely on the river Ganges. But pollution, dams and removal of too much water (mostly for agriculture) have affected the flow and health of this vital river.

Detailed explanation-4: -The untreated sewage dumped into the river, industrial waste, agricultural runoff, remnants of partially burned or unburned bodies from funeral pyres, and animal carcasses all contribute to polluting the Ganges. High levels of disease-causing bacteria and toxic substances have also been found in the Ganges.

Detailed explanation-5: -Today, the Ganges is considered to be the fifth-most polluted river in the world. An Indian photographer has noted that no one in India spoke of the Ganges as being polluted until the late 1970s. However, pollution had been an old and continuous process in the river by the time people were finally acknowledging it.