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A practical definition of water pollution is: "Water pollution is the addition of substances or energy forms that directly or indirectly alter the nature of the water body in such a manner that negatively affects its legitimate uses." [1]: 6 Water is typically referred to as polluted when it is impaired by anthropogenic contaminants.
The risk of air pollution is determined by the pollutant's hazard and the amount of exposure that affects a person. [36] For example, a child who plays outdoor sports will have a higher likelihood of outdoor air pollution exposure than an adult who tends to spend more time indoors, whether at work or elsewhere. [36]
Air pollution, poor management of waste, growing water scarcity, falling groundwater tables, water pollution, preservation and quality of forests, biodiversity loss, and land/soil degradation are some of the major environmental issues India faces today. [12] India's population growth adds pressure to environmental issues and its resources.
Water pollution is a major environmental issue in India. The largest source of water pollution in India is untreated sewage. [1] Other sources of pollution include agricultural runoff and unregulated small-scale industry. Most rivers, lakes and surface water in India are polluted due to industries, untreated sewage and solid wastes.
The target is about "clean water and sanitation for all" by 2030. [53] It is estimated that 660 million people still lacked access to safe drinking water as of 2015. [37] [38] Since the COVID-19 pandemic in 2020, the fight for clean water and sanitation is more important than ever. Handwashing is one of the most common prevention methods for ...
A 2006 measurement of pollution in the Ganges revealed that river water monitoring over the previous 12 years had shown fecal coliform counts of up to 100,000,000 MPN per 100 mL [29] and biological oxygen demand levels averaging over 40 mg/L in the most polluted part of the river at Varanasi. The overall rate of water-borne disease incidence ...
The Ganges River is the largest river in India. The extreme pollution of the Ganges affects 600 million people who live close to the river. The river water starts getting polluted when it enters the plain. The commercial exploitation of the river has risen in proportion to the rise in population. Gangotri and Uttarkashi are good examples too ...
Environmental degradation is the deterioration of the environment through depletion of resources such as quality of air, water and soil; the destruction of ecosystems; habitat destruction; the extinction of wildlife; and pollution. It is defined as any change or disturbance to the environment perceived to be deleterious or undesirable.