significance: - Mangrove forests are among the most productive terrestrial eco systems and are natural and are a renewable resource. Mangroves are not a marvel just for their adaptations but also for the significant role they play in our environment. * Mangrove ecosystem act as Buffer Zone between the land and sea. * Mangroves protect the coast against erosion due to wind‚ waves‚ water currents and protect coral reefs‚ sea-grass bed and shipping lanes against siltation. They are also
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Water pollution is the contamination of water bodies such as lakes‚ rivers‚ oceans and beaches. This occurs when large factories dump their waste products into the water. Water has the ability to carry many pathogens and bacteria. Because of this‚ water is responsible for many deaths and illnesses. This fact was discovered a long time ago when many people fell sick‚ and after tests‚ it was realized this was because of the drinking water. People‚ even back in the ancient times‚ would suddenly become ill
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The amount of air pollution in Pakistan’s major cities like Lahore and Karachi is 20 times higher than the World Health Organization standards. There are layers of smog‚ dust and smoke that exist over Karachi. There is also a prominent smell of gasoline that infiltrates air. Islamabad which is the capital city of Pakistan is known to be covered with thick layer smog that actually keeps hidden the view of Margalla hills. So pollution is very prominent and exists to a threatening level in Pakistan
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POPULATION RISE IN INDIA: A MOJOR CONCERN India has experienced extraordinary population growth: between 2001 and 2011 India added 181 million people to the world‚ slightly less than the entire population of Brazil. But 76 per cent of India’s population lives on less than US$2 per day (at purchasing power parity rates). India ranks at the bottom of the pyramid in per capita-level consumption indicators not only in energy or electricity but in almost all other relevant per capita-level consumption
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the only planet in the universe which has an environment suitable for life. Water‚ land‚ and air are needed for survival. Earth provided these essential and human used them. One of the biggest problems that the enviroment is serious pollution. Pollution can be divided into three types : water pollution‚ land pollution‚ and air pollution. Paragraph 3: Another type of pollution is which has a remarkable influence on over environment is air pollution. Every year‚ there are a lot of smoke which is
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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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does pollution in large cities affect human health? Pollution‚ a worldwide problem which has been concerned with since 1972 (Seitz 2008:156)‚ has significant effects on human health in large cities. It may be defined as several different types of pollutant in environment mainly caused by industry and agriculture‚ having a harmful impact on public health. It is because cities‚ most of which‚ have depended on the two types of industry to develop the economy that the problems of urban pollution are
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Population Density Population density is defined by the number of people and the area size in which they reside. The effects of urbanization on the human race vary between cultures. However‚ there is clearly a relationship between population density and human behavior (Rosenbnerg‚ 2011‚ para. 1). Whether the answer is moving to a less dense area‚ or adapting to an urban area depends on individual personality and preference. For centuries‚ Americans have dealt with overcrowded cities in order
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Prof. BERESFORD TALK ABOUT THE PROBLEMS OF POLUTION (Tape script‚ slightly abridged) Pollution is today‚ probably‚ the greatest problem that faces mankind. There is a saying in English that it is an ill bird that fouls its own nest. And human beings are‚ collectively speaking‚ fouling their nest at the increasing rate. It is an alarming picture. We are polluting the air‚ which we need to breathe‚ the earth from which we derive all our food‚ and the waters from which wе‚ of course‚ derive the
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Noise Pollution Noise pollution is not a necessary price to pay for living in an industrial society. Much can be done to reduce the severity of the problem. For example‚ vehicles and other machines can be built to produce less noise. Four-cycle engines can replace much noisier two-cycle engines in such products as lawnmowers‚ motorboats‚ and jet skis. Labels that indicate the noise levels of appliances and tools can help consumers avoid noisy products and choose quieter alternatives. Even
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