deterioration of air quality in cities. Because of the increase in urbanization‚ industrialization and commercial activities in the urban areas‚ the demand for transport has also been increased. In addition to it the use of personal vehicles has also increase steadily. The various principle pollutants emit from vehicles are as follows- Carbon monoxide (CO) Suspended particulate matter (SPM) Oxides of nitrogen (NOx) Hydrocarbons (HC) Polynuclear aromatic hydrocarbons (PAHs) 2005 Air Toxic
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Environmental Pollution Environment means our surroundings. It consists of air‚ water‚ soil and other natural resources‚ that make our earth habitable for us. All the elements of environment are well proportioned and depend upon each other. This characteristic of environment is called ecosystem. If any element of it is destroyed‚ it affects all other elements. So for our existence we must not destroy the ecological balance. But consciously or unconsciously we are damaging vital elements
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What Is Soil Pollution? [pic] What Is Soil Pollution? Soil pollution results from the build up of contaminants‚ toxic compounds‚ radioactive materials‚ salts‚ chemicals and cancer-causing agents. The most common soil pollutants are hydrocarbons‚ heavy metals (cadmium‚ lead‚ chromium‚ copper‚ zinc‚ mercury and arsenic)‚ herbicides‚ pesticides‚ oils‚ tars‚ PCBs and dioxins. Until the 1970s‚ there was little talk of soil pollution and its devastating effects. In the 1980s‚ the U.S. Superfund was
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sources of noise pollution Introduction to sources of noise pollution:.. Sources of Noise Pollution Appliances used in the home such as mixer grinders‚ vacuum cleaners‚ washing machines‚ loudspeakers‚ television sets and music systems used with high volumes are the main sources of this kind of pollution. Small factories using machines cause a lot of noise pollution. Airplanes‚ .. Main causes of noise pollution: Noise is a problem chiefly of the urban area. Loud noise is considered as pollutant
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Air pollution is caused by the presence of chemicals‚ particulate matter‚ or biological materials in the air which harms humans and other living organisms. It can also damage the natural environment. Air pollution causes depletion of ozone in the stratosphere which endangers human health as well as the Earth’s ecosystems. Air pollutants can be in the form of solid particles‚ liquid droplets‚ or gases. They could be natural or man-made. Pollutants can be classified as either primary or secondary
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The most important problem faced by the modern world today is environmental pollution. Unless and until effective measures are adopted to prevent this grave problem‚ it is going to affect life on earth. Man has exploited the natural resources in order to meet the demands of the ever-increasing population and also to meet the requirements of industries. As the demand for basic things like food‚ water‚ clothes and shelter increased; man exploited natural resources like minerals‚ forests‚ water and
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Environmental pollution is a term that refers to all the ways by which people pollute their surroundings. People dirty the air with gases and smoke‚ poison the water with chemicals and other substances‚ and damage the soil with too many fertilizers and pesticides: People also pollute their surroundings in various other ways. For example‚ they ruin natural beauty by scattering junk and litter on the land and in the water. They operate machines and motor vehicles that fill the air with disturbing noise
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Industrial pollution is pollution which can be directly linked with industry‚ in contrast to other pollution sources. This form of pollution is one of the leading causes of pollution worldwide; in the United States‚ for example‚ the Environmental Protective Agency estimates that up to 50% of the nation’s pollution is caused by industry. Because of its size and scope‚ industrial pollution is a serious problem for the entire planet‚ especially in nations which are rapidly industrializing‚ like China
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Global Warming Is Debatable‚ But Global Pollution Is a Fact When we hear the term global warming we tend to think of the enormous hole in the ozone layer‚ but what it really is the earth’s average measured temperature and why it changes. Scientists explain that green house concentrations‚ solar variation‚ and volcanoes negatively affect our earth. This isn’t including the human aspects in which we are damaging our earth’s atmosphere. There are several reasons why researchers state that humans
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“POVERTY AND POLLUTION” In the Article Poverty and Pollution‚ there are many things being discuss such as poverty‚ pollution‚ harmful gases‚ the percentage of infant mortality and how nearly 13‚000 suffer from respiratory disease. Many residents are suffering from different/variety of health problem as an result. These problems are very serious and dangerous. The people over in Brazil’s “valley of death” are having difficulties breathing and could die if there’s nothing done about the situation
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