Question

How are land and water being polluted by the urban people?

Answer 1

Urban areas have the potential to pollute water in many ways. Runoff from streets carries oil, rubber, heavy metals, and other contaminants from automobiles. Untreated or poorly treated sewage can be low in dissolved oxygen and high in pollutants such as fecal coliform bacteria, nitrates, phosphorus, chemicals, and other bacteria. Treated sewage can still be high in nitrates. Groundwater and surface water can be contaminated from many sources such as garbage dumps, toxic waste and chemical storage and use areas, leaking fuel storage tanks, and intentional dumping of hazardous substances. Air pollution can lead to acid rain, nitrate deposition, and ammonium deposition, which can alter the water chemistry of lakes.

Answer 2

Urban community is a major reason behind the water and land pollution, because;

1) In the urban areas,the industrial factories are greater in number which produce large amount of solid and liquid waste materials which pollute the land and water.

2) The sewage and the drainage systems in the urban areas are very big and they pollute the nearby water bodies. (Which they are connected with)

3) The domestic waste materials are also hugely generated in the urban areas which contaminate the land and water.

And many more.