In the nineteenth and early twentieth centuries, many cities of Europe and the us were covered with black shrouds of smoke. Despite the successes registered against smoke, the pollution of city air by other products of coal combustion (above all, sulphur dioxide) and by nitrous oxides, hydrocarbons, petroleum wastes, and carbon mon oxide continues to worsen in most of the countries. Strong evidence indicates that prevailing levels of air pollution contribute to the development of chronic respiratory diseases (emphysema, asthma, and chronic bronchitis) besides short-term respiratory afflictions as well. And those living near smelters and refineries often face increased cancer risks because of the toxic substances spewing from smoke-stacks. Rising concern about the physical discomfort and reduced visibility caused by pollution, and rising evidence of the damage being wreaked on crops and materials, joined health considerations to spur enactment of new anti pollution laws. Over the last 25 years, many countries have begun trying to regulate the flow of pollutants in the air, air pollution can no longer be addressed as simply a local urban problem.
Essay about water pollution - costa ballena
To do that one has to understand the report meaning of pollution and consider ways of tackling. Whenever we encounter the term pollution now, we mean environmental pollution. Though the dictionary describes pollution as the act of making something foul, unclean, dirty. Impure, contaminated, defiled, tainted. Environmental pollution may be described as the unfavorable alteration of our surroundings. It takes place through changes in energy patterns, radiation levels, chemical and physical constitutions, and abundance of organisms. It includes release of materials into atmosphere which make the air unsuitable for breathing, harm the quality of water and soil, and damage the health of human beings, plants and animals. Air pollution in one form or another has accompanied human society from the beginning. Cooking over a wood/ dung cake fire often creates a smoky, unhealthy living environment. Today, many Third World cities and even entire rural valleys are blanketed by smoky haze, the poor mans smog.
Appreciation of the material and spiritual importance of a healthy natural environment has spread. Perhaps the most dramatic intellectual shifts are occurring in the Third World, where understanding of the ecological under spinning of human life-largely lost in the post-war dreams of industrialisation is on the rise. The new interest in environmental quality complements recent shifts in thought among development theorists, many of whom now stress the need to address the basic needs of the poor directly rather than hope that the benefits of growth will trickle down to them. Improving the lot of the under-class and protecting environmental quality can be mutually-supportive goals. Both internationally and within nations, the new appreciation of our bonds with nature has spawned new institutions and policies-new un and governmental agencies, new laws, for altered aid programmes, new international treaties. Yet for the most part, responses remain inadequate to the needs. For the most urgent need today is to protect and preserve what remains of the environment.
A ll the nations of the world should work united to control environmental pollution. Concern for environment has increased and spread over recent years. Pollution-a major environmental concern. Types and sources and effects of pollution. Causes and associated problems. Remedial measures-existent and suggested. Plato lamented the destruction of soils and forests in ancient Greece. Dickens and Engels wrote eloquently of the wretched biography conditions spawned by the Industrial revolution. But the surge in concern about environmental quality over the last three decades has been uniquely widespread and impassioned.
Grass sprouting in Antarctica and snowfall in the desert of the united Arab emirates are all the warning signals of global warning. Pollution causes different types of diseases. Air pollution causes allergies asthma lung cancer and bronchitis. Radioactive pollutants cause respiratory problems paralysis cancer and other disease. Excessive noise pollution can lead to deafness anxiety stress increase in the rate of heartbeat and other health problems. In order to fight this menace of pollution vigorous efforts should be made the anti pollution law should be strictly implemented. In order to check water pollution sewage and the factory waste should be planted everywhere and vehicles should be made eco friendly. Public education and awareness of the relationship between climate change and human health is a key to deal with these problems more effectively. General awareness is a must to save our planet from destruction.
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Water pollution adversely changes the quality of water. It disturbs the balance of the ecosystem and causes health hazards. Water becomes polluted by the presence or addition of inorganic and organic or biological substances. Industrial effluents which are dumped into the rivers further add to the water pollution levels. Soil pollution usually results from the disposal of solid and semi solid wastes from agricultural practices and from insanitary habits. The soil gets heavily polluted by hazardous materials and micro organisms, which enter the food chain or water and create numerous health problems. The emission native of greenhouse gases has led to climatic changes.
The increase in pollution has resulted in global warming. Global warming is an average increase in the earth temperature due to greenhouse effect as a result of both natural and human activity. The term climate is often used interchangeably the term global warming. The ice caps in the polar regions have begun to melt fast. This has resulted in the rise of the water level of the seas and oceans.
Three fourths of the earth consists of water yet there is scarcity of potable water. In India allay the sources of water lie rivers lakes ponds and wells have been polluted and are unfit for drinking. As a result of the increased use of fertilizers, the rivers seas and oceans have become contaminated with harmful pollutants. Industrialization has led to urbanization. The migration of rural population to the cities in search of work has created an unhealthy environment. It has led to overcrowding and establishment of slum areas.
Towns and cities are full of smoke, fumes dirt dust rubbish gases foul smell and noise. Nuclear explosions and nuclear tests also pollute the air. The spread of radioactive materials into the air has increased. This radioactive pollution may cause cancers, abnormal births and mutations in men. The taj Mahal in Agra is affected by the fumes emitted by the mathura refinery. Reports estimate that the monument would get defaced within a span of twenty years because of the harmful effluents of the emission from the refinery.
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People have converted the life supporting system of the entire living world into their own resources and have vastly disturbed the natural ecological balance. Serious degradation and depletion have been caused due to the overuse, misuse and mismanagement of resources to meet the human greed. Environment pollution is defined as the unfavorable alteration of our surroundings. It is a by product of mans activities which directly or indirectly are responsible for the changes in environment. These changes could be in the physical chemical or biological characteristics of land air or water that harm human life and other living things. Population explosion, rapid industrialization deforestation unplanned urbanization scientific and tech logical advancement etc. The major bill causes of environmental pollution. Nearly 35 percent of India total land area is subjected to serious environmental pollution.
Pollution causes imbalance book in the environment. This imbalance has threatened the very survival of all forms of life. It is a threat to the whole world. India ranks a low 125 out of 132 countries in the Environmental performance Index 2012. This report is produced by the researchers of Yale and Columbia university in association with the world Economic Forum. Environmental pollution is a serious problem of the industrialized societies. The industrial development and the Green revolution have adversely affected the environment.
spread to other areas other than near the source and when this happens, this is referred to as trans-boundary pollution (Laws 2000,. Causes of water pollution Water pollution is brought about by various causes. First, it is caused by industrial waste being discharged into water bodies. According to a report. essay 5), : article. blog post share articles, tutorials, guides,"s, thoughts, slogans, stories subscribe. 01, the word pollution has been derived from the latin word pollution, which means to make dirty. Pollution is the process of making the environment land water and air dirty by adding harmful substances.
Water pollution can occur in surface water like that slogan in water bodies such as rivers, lakes and oceans. It can also occur on underground water especially when weed killers used in agricultural activities are allowed to drain to the ground (Clark et al 2001,. Apart from pollution of surface water and underground waters, water pollution can also occur as point-source pollution or as nonpoint-source pollution. Point-source pollution occurs when pollution comes from a single location. For example, when a discharge pipe attached to an industry pours its waste on a water body, this is referred to as point-source pollution as the discharge pipe here is the only location from which pollution occurs. Oil spill from a tanker is also another example of point-source pollution (Best 2005,. Nonpoint-source pollution on the other hand takes place when water pollution happens from many different sources. For example, an oil spill from a tanker and industrial plants located near a lake can pollute the lake collectively. In point-source water pollution, the place that is most affected is the one located immediately near the source.
Pollution essay in english - custom Paper Writing Help
Content: Name: Institution: Tutor: Date: Effects of, water, pollution on Natural Assemblages, abstract. Two thirds of the earths surface is covered by water with only a third being taken up by land. The earths population, however, has continued to grow rapidly over the past few years and the result of this has been an increasing pressure on the earths water resources. The industrial revolution of the nineteenth century led to the creation of many industries. It soon spread to other countries across the globe. Despite the benefits that industrialization brought, it had the negative effect of causing all kinds of pollution including water, air and soil pollution. Pollution has subsequently led to various consequences like global warming. This paper discusses water pollution in particular and the effects it has had on natural assemblages. Introduction, according to the United Nations, water pollution is defined as the direct or indirect introduction by man of substances or energy into the marine environment including estuaries which results front to deleterious effects such as hazards to human health, harm to living resources, hindrance.