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v. t. e. Pollution is the introduction of contaminants into the natural environment that cause adverse change. [ 1] Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light). Pollutants, the components of pollution, can be either foreign substances/energies or naturally ...
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.
The exploitation of natural resources describes using natural resources, often non-renewable or limited, for economic growth [ 1] or development. [ 2] Environmental degradation, human insecurity, and social conflict frequently accompany natural resource exploitation. The impacts of the depletion of natural resources include the decline of ...
Air pollution is the contamination of air due to the presence of substances called pollutants in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials. [ 1] It is also the contamination of the indoor or outdoor environment either by chemical, physical, or biological ...
Pollution of the Ganges. The ongoing pollution of the Ganges, the largest river in the Indian subcontinent, poses a significant threat to human health and the environment. [ 1] The river provides water to about 40% of India's population across 11 states. [ 2]
Society portal. v. t. e. Human impact on the environment (or anthropogenic environmental impact) refers to changes to biophysical environments [ 1] and to ecosystems, biodiversity, and natural resources [ 2] caused directly or indirectly by humans. Modifying the environment to fit the needs of society (as in the built environment) is causing ...
Environmental pollution and ecological degradation has resulted in economic losses for China. In 2005, economic losses (mainly from air pollution) were calculated at 7.7% of China's GDP. This grew to 10.3% by 2002 and the economic loss from water pollution (6.1%) began to exceed that caused by air pollution. [18]
Air pollution in India is a serious environmental issue. [1] Of the 30 most polluted cities in the world, 21 were in India in 2019. [ 2 ] [ 3 ] As per a study based on 2016 data, at least 140 million people in India breathe air that is 10 times or more over the WHO safe limit [ 4 ] and 13 of the world's 20 cities with the highest annual levels ...