Plant. The garbage emitting foul smell‚ the decaying plants and animals also cause air pollution. Hence the doctors advise the patients having lungs trouble to settle in some rural places because the air of villages is pure and free from population. Then comes sound pollution. The harsh sounds of buses‚ its‚ mopeds etc. affect our power of hearing and causes fart trouble. It has been reported that there are two villages named Biraspalli and Devadas Palli near Dum Dum airport m Calcutta where a
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First‚ it attempts to identify the principal ways in which construction contributes to environmental stress‚ and to quantify the contribution of construction where possible. Secondly‚ it considers the means available to reduce these environmental impacts‚ through improved technology‚ design or changed practices; and it suggests ways in which governments can take action to promote these changes. THE C O N C E P T OF SUSTAINABLE D E V E L O P M E N T Sustainability is now a key concept in development
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physics‚ energy is an indirectly observed quantity which comes in many forms‚ such as kinetic energy‚ potential energy‚ radiant energy‚ and many others; which are listed in this summary article. This is a major topic in science and technology and this article gives an overview of its major aspects‚ and provides links to the many specific articles about energy in its different forms and contexts. The question "what is energy?" is difficult to answer in a simple‚ intuitive way‚ although energy can be
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The increase in computer usage can play an important role in people’s lives. Computers have done a lot to improve our lives‚ but they also have negative impacts. At times the immense amount of resources and entertainment can lead to a person’s dependency on the computer. Here are some interesting websites and articles that discuss some of the pros and cons of computer usage‚ specifically the world wide web. Advisory Committee Congressional Internet Caucus. (2002). Advisory Committee Congressional
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CYCLES IN BIOLOGY This essay will give examples of cycles in biology from different scales of magnification‚ ranging from molecular level to populations and ecosystems. Cycles are sequences of events which repeat themselves in the same order‚ one event leading to the next. There are many examples of these in Biology. Cycles can be seen even at a molecular level in the body. An example of this would include the passage of action potentials down neurones in the nervous system. When the cell membrane
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➢ Environmental pollution is contamination of air‚ water and land from man-made waste that causes instability‚ disorder‚ harm or discomfort to the ecosystem i.e. physical systems or living organisms. ➢ Pollution leads to depletion of the ozone layer‚ global warming and climate change. ➢ Pollutants are the elements of pollution. A pollutant is a waste material that pollutes air‚ water or soil. Three factors determine the severity of a pollutant: its chemical nature‚ the concentration
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environment through depletion of resources such as air‚ water and soil; the destruction of ecosystems and the extinction of wildlife. Environmental degradation has occurred due to the recent activities in the field of socio-economic‚ institutional and technologies. Environmental changes are dependent on many factors including economic growth‚ population growth‚ urbanization‚ intensification of agriculture‚ rising energy use and transportation. Poverty still remains a problem at the root of several environmental
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1. | water pollution - pollution of the water in rivers and lakespollution - undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities | ------------------------------------------------- ------------------------------------------------- http://www.thefreedictionary.com/Water+pollutant ------------------------------------------------- ------------------------------------------------- Effects of Water Pollution By Jared
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Biodiversity is the degree of variation of life forms within a given ecosystem‚ biome‚ or an entire planet. Biodiversity is one measure of the health of ecosystems. Life on Earth today consists of many millions of distinct biological species. The United Nations declared the year 2010 as the International Year of Biodiversity. Biodiversity is not consistent across the Earth. In the terrestrial context for example‚ tropical regions are typically rich whereas polar regions support fewer species. Rapid
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Food Allergies Food allergies can range from being a mild irritant to becoming life-threatening. Each year 30‚000 Americans are treated in the emergency room for severe food allergies. An estimated 150 to 200 Americans die each year because of allergic reactions to food. About two percent of adults and six to eight percent of children in the United States are effected by food allergies. A food allergy is a specific type of adverse food reaction involving the immune system. The body produces what
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