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What is the cause of environmental degradation?

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Maths & Science Teacher

Urbanization, global warming, industrialization and population explosion.

Mathemagician, NTSE and OLYMPIAD tutor

pollution, deforestation and soil erosion are some basic reasons which cause environmental degradation.

Human being!!!

Mohit Tuitions

removal of top soil,deforestation,animal grazing,over utilisation of land

Experienced Mathematics com ECE Educator

Pollution (air pollution , water pollution, soil pollution)is the result of environmental degradation.

I am B. Tech(Computer Science/IT) graduate

Pollution in Human Mind

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1) High quantity of Exhaust gases: The biggest reason by far for all kinds of environmental degradation is the exorbitant amount of gases, harmful to the environment, which is released by the various industries. Prime amongst these gases are C02, S02 and NH3. Of course there are many more, and these...
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1) High quantity of Exhaust gases: The biggest reason by far for all kinds of environmental degradation is the exorbitant amount of gases, harmful to the environment, which is released by the various industries. Prime amongst these gases are C02, S02 and NH3. Of course there are many more, and these are the main culprits for ozone holes and global warming. 2) Deforestation: Close second comes the deforestation all over the world, to harness forest resources, to clear land, for wood and for various other reasons. Deforestation causes major problems for one simple reason; it decreases the number of trees, which clean the environment, provide oxygen and also affect rain patterns. This is the major reason why there are calls for tree plantation; it is to make up for this loss. 3) High number of industries such as mining: Mining creates a lot of pollution, mainly because it releases particulate matter, which qualifies as Respirable Particulate Matter (RPM); the particulate matter which can enter our lungs and can harm the entire respiratory system. This form causes the most direct harm to humans, also particulate matter can come from indoor pollution, as can be seen in cooking on traditional ‘choolahs’ and cottage industries like ‘bangle-making’. 4) Chemical effluents: Effluents are another by-product of industries which poses threat to the environment, leather and tanning industries, petroleum industries and chemical manufacturing industries create major waste products which are released directly into nearby streams without treatment, creating river pollution and causing harm to aquatic life. 5) Transport: As the spending power of the population increases and as cars become available more, the number of vehicles on the road increases. The amount has grown exponentially in countries like India, Brazil and China and this is a point form of pollution which directly affects humans. Smog is a nuisance that is created because of vehicular pollution, and Hydro-Carbons released from engines are the cause of creation of lower level ozone that is harmful to humans. 6) Unprecedented Construction: Urban Heat Island is a direct cause of the unprecedented construction activities that are being carried out right now, and urban heat island causes trapping of pollutants. Urban Heat island is an effect caused due to trapping of solar radiation by concrete and cement which are materials which trap heat extremely well. Construction causes removal of vegetative cover which usually allows for better exchange of heat. This heat island effect causes constricted circulation of air, which traps pollutants released in urban areas and does not allow for mixing of the air, thus decreasing the air quality. 7) Secondary Pollutants: Secondary pollutants are ones that are not directly emitted; however they get created when primary pollutants react amongst themselves. Major amongst them is the creation of ozone from reaction between non-burnt Hydrocarbons and Nitrous Oxides. There are various other secondary pollutants and the reaction between these pollutants cause reactions that lead to formation of ozone holes. Stratospheric clouds are the main reaction sites for such pollutants. 8 ) Ruinous agricultural policies: Overloading the land with fertilizers, overgrazing and shifting agriculture are ruinous agricultural policies that degrade land, creating soil erosion that leads to silting in major rivers and reservoirs. Soil degradation is a continuous cycle and it ultimately leads to desertification and degradation of land quality by allowing the direct action of eroding agents on cultivable land. 9) The Population Explosion: The increasing population creates a load that the entire environment has to support, not only in terms of food and lodging, but also in terms of the amount of waste that it generates and the ability of the environment to sustain this growth. All major activities are carried out to support this growing population, and whilst this is unavoidable, what is required is the proper planning that should come with this explosion. 10) Unplanned Land-use policies: Land models are available these days which help in proper planning and use of land resources. However, failure to use these models and land management policies can lead to land pollution and degradation of the worst kind. Extraction from mines renders them unusable for habitation and if rehabilitation work is not carried out, the piece of land is sure to lose all its value and become unusable. Land classification is one of the major activities that help in proper land use, and it should be followed with utmost care. read less


pollution,overuse of natural resources(exploiting natural resources),natural disasters.

Environmental degradation comes about due to erosion and decline of the quality of the natural environment. It is caused directly or indirectly by anthropogenic activities that extract various environmental resources at a faster rate than they are replaced, and thus depleting them. Causes of Environmental...
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Environmental degradation comes about due to erosion and decline of the quality of the natural environment. It is caused directly or indirectly by anthropogenic activities that extract various environmental resources at a faster rate than they are replaced, and thus depleting them. Causes of Environmental Degradation: 1. Overpopulation and Over-exploitation of Resources: As the human population keeps on enlarging, there is a lot of pressure on the utilization of natural resources. This often causes over-exploitation of the natural resources, and contributes to environmental erosion. According to a study by the UNEP Global Environment Outlook, excessive human consumption of the naturally occurring non-renewable resources can outstrip available resources in the near future and remarkably destroys the environment during extraction and utilization. Overpopulation simply means more pollution and fast extraction of natural resources compared to how they are being replaced. 2. Ruinous Agricultural Practices: Intensive agricultural practices have led to the decline in quality of most of our natural environments. Majority of farmers resort to converting forests and grasslands to croplands which reduces the quality of natural forests and vegetation cover. The pressure to convert lands into resource areas for producing priced foods, crops, and livestock rearing has increasingly led to the depreciation of natural environments such as forests, wildlife and fertile lands. Intensive agricultural practices destroy fertile lands and nearby vegetation cover due to the accumulation of toxic substances like bad minerals and heavy metals which destroy the soil’s biological and chemical activities. Runoffs of agricultural wastes and chemical fertilizers and pesticides into marine and freshwater environments have also deteriorated the quality of wild life habitats, natural water resources, wetlands and aquatic life. 3. Landfills: One of the calamitous effects of landfills is the destruction of nearby environmental health together with its ecosystems. The landfills discharge various kinds of chemicals on the land adjacent to forest, various natural habitats, and water systems such as underground and surface water which makes the environment unappealing to the survival of trees, vegetations, animal and humans. It even interferes with the animals interactive food chains because the chemicals contaminate plants, and waters which are consumed by the animals. Besides the foul smell from the landfills and periodic burning of the wastes make living in such environments unbearable. 4. Increase in Deforestation: The act of deforestation (cutting down of trees) has impacted on the world in terms of depreciating the natural environment and wildlife. It has also impacted on humans on the account of changes in environmental support processes such as weather conditions. Some of the reasons for deforestation include farming, construction, settlement, mining, or other economic purposes. For more than one hundrend years, the number of trees on the planet has plummeted, resulting in devastating consequences such as biodiversity loss, soil erosion, species extinction, global warming, and interference with the water cycle. 5. Environmental Pollution: Most of the planet’s natural environments have been destroyed and a large portion is under huge threat due to the toxic substances and chemicals emitted from fossil fuel combustions, industrial wastes, and homemade utilities among other industry processed materials such as plastics. Land, air, and water pollution pose long-term cumulative impacts on the quality of the natural environments in which they occur. Seriously polluted environments have become insignificant in value because pollution makes it harsh for the sustainably of biotic and abiotic components. Pollution impacts the chemical compositions of lands, soil, ocean water, underground water and rocks, and other natural processes. Air pollution from automobiles and industries that results in the formation of acid rain which in turn brings about acidic lake is a good example of how the environment is degraded by pollution. 6. Improper Land use Planning and Development: The unplanned conversion of lands into urban settings, mining areas, housing development projects, office spaces, shopping malls, industrial sites, parking areas, road networks, and so on leads to environmental pollution and degradation of natural habitats and ecosystems. Mining and oil exploration, for instance, renders land unusable for habitation and causes other forms of environmental degradation by releasing toxic materials into the environment. Improper land use has led to the loss and destruction of millions of acre of natural environments across the globe. 7. Natural Causes: Despite the fact that environmental degradation is under normal circumstances associated with anthropogenic activities, natural causes are also contributors. Natural events such as wildfires, hurricanes, landslides, tsunamis and earthquakes can totally lower the survival grade of local animal communities and plant life in a region. These disasters can also destroy alter the nature of the landscape rendering it unable to support life forms on it. Besides, occurrences such as hurricanes and flooding can wash or force the migration of invasive species into foreign environments which can lead to its eventual degradation. read less


Due to some factories which may cause air pollution and sound pollution so that environment pollutes

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