polluted all the three realms of the earth-lithosphere‚hydrosphere & atmosphere.it is essential for us to know about environment & its pollution. In this presentation we will be able to know about- •Environment •Biosphere •Ecosystem model •Atmosphere •Atmospheric pollution •Primary & secondary pollutants •Acid rain •Ozone depletion •Green house effect •Noise pollution That which surrounds‚ the total sum of the condition of the surroundings within which an organism‚ or group‚ or an object‚exists(including
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in this country. There are many sector of industry in Bangladesh. The people of our country are very hard working. By the late 1990s‚ about 1.5 million people‚ mostly women‚ were employed in the garments sector as During 2001-2002‚ export earnings from ready-made garments reached $3‚125 million‚ representing 52 well as Leather products specially Footwear (Shoe manufacturing unit). % of Bangladesh’s total exports. Bangladesh has overtaken India in apparel exports in 2009‚ its exports stood at 2.66
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Environmental pollution The nature is the most wonderful thing in the world. It gives us its loveliness to enjoy and to admire. The nature provides us with its riches: water and air‚ soil‚ mineral resources‚ flora and fauna‚ forests and fields. Nowadays situation is very bad‚ but just someone understand it. It means that many species of flora and fauna have already disappeared or are disappearing because of harmful actions of people. People have always polluted their surroundings. But until
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River Pollution River pollution is form of water pollution that refers to the contamination of rivers. River pollution occurs when waste and different other pollutants are discharged into river without being properly treated. River pollution has negative effect on aquatic ecosystems. The negative impact on plants and animals often leads to decline in species‚ and sometimes even to extinction of entire species (Yangtze River dolphin). River pollution also leads to decrease in freshwater resources
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Michael Abate Energy: Ecology & Economy April 4‚ 2011 Section 1 Instructor: Dr. Eric Malm Pollution Analysis Pollution can take many forms. The air we breathe‚ the water we drink‚ the ground where we grow our food‚ and even the increasing noise we hear every day all contribute to health problems and a lower quality of life. Pollution is everywhere. Pollution is the unwanted introduction of substances that harm or destroy the atmosphere and our environment. The Economy is slowing;
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Vehicles on the roads contribute to air pollution in major way. Most of the vehicle plying on road are fuelled by petrol and diesel emitting pollutants like Ozone gas‚ Nitrogen Oxides (NO)‚ particulate matter‚ soot smog‚ carbon monoxide (CO)‚ sulphur dioxide (SO2) etc These emissions not only pollute the environment‚ but also pose variety of health risks for people. Pollution is the main reason behind skin cancers‚ asthma‚ bronchitis‚ and other respiratory disorders. Even newborn children can
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health problems caused due to the pollution of land‚ water and air. Talking about land pollution‚ it has some of the most devastating effects on both nature and living beings. Land pollution is characterized by the contamination of Earth’s surface‚ where humans and other creatures live. One of the major causes of land pollution is human activities. Given below is complete information about the main causes and harmful effects of land pollution. Causes of Land Pollution by Human * Increase in
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Air pollution by Chris Woodford. Last updated: September 14‚ 2014. There’s nothing quite like opening the door and breathing fresh‚ clean‚ air—but how clean is the air you’re breathing right now? Unless you’re a scientist with a chemistry lab at your fingertips‚ there’s no real way of knowing. The gases you’re sucking up through your nose could be slowly killing you: according to the World Health Organization‚ around two million people die prematurely from the effects of polluted air every
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What is Pollution Prevention? Pollution is the contamination of air‚ soil‚ or water by the discharge of harmful substances. Pollution prevention is the reduction or elimination of pollution at the source (source reduction) instead of at the end-of-the-pipe or stack. Pollution prevention occurs when raw materials‚ water‚ energy and other resources are utilized more efficiently‚ when less harmful substances are substituted for hazardous ones‚ and when toxic substances are eliminated from the production
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What is Land Pollution? When we talk about air or water pollution‚ the reactions garnered are stronger. This is because we can see the effects caused by the pollutants and their extent very clearly. It is normal human psychology to believe in what you see first hand. Our land on the other hand is living a nightmare too. We may not be able to see the effects with clarity‚ but land is being polluted and abused constantly and we are unable to calculate the damages incurred. Land Pollution has come to
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