Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy‚ such as noise‚ heat or light. Pollutants‚ the components of pollution‚ can be either foreign substances/energies or naturally occurring contaminants. Pollution is often classed as point source or nonpoint source pollution. There are 6 (six) types of pollution that are going to be discussed in this site‚ namely air‚ water‚ noise‚ land
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2 What is pollution Pic 1 3-4 Water pollution Pic 2 5 Major water pollutants Table 20-1 6-7 Solutions Pic 3 8 Air pollution Pic4 Table 2 9 The green house effect Pic 4 10 Land pollution Pic 4 Pic 5 / table 3 11 Conclusion 12 References What is pollution? the contamination of air‚ water‚ or soil by substances that are harmful to living organisms. Pollution can occur naturally‚ for example through volcanic eruptions‚ or as the result of human activities
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BENEFITS OF DRINKING WATER The human body‚ which is made up of between 55 and 75 percent water (lean people have more water in their bodies because muscle holds more water than fat)‚ is in need of constant water replenishment. Your lungs expel between two and four cups of water each day through normal breathing - even more on a cold day. If your feet sweat‚ there goes another cup of water. If you make half a dozen trips to the bathroom during the day‚ that’s
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Water Pollution: Causes‚ Effects‚ and Prevention What would you say the most valuable thing on earth is? Many people would quickly answer that something with monetary value‚ like oil or gold‚ would be the most valuable thing on earth. However‚ humans are able to live‚ and have lived‚ without utilizing these things for many years. There is a thing that every living being‚ creature‚ and plant on earth could not survive without. It is one of our most basic needs‚ and yet we take it for granted so
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Water politics is politics affected by water and water resources. For this reason‚ water is a strategic resource in the globe and an important element in many political conflicts. It causes health impacts and damage to biodiversity. 1.6 billion people have gained access to a safe water source since 1990.[63]The proportion of people in developing countries with access to safe water is calculated to have improved from 30% in 1970[64] to 71% in 1990‚ 79% in 2000 and 84% in 2004. This trend is projected
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Every time 1% of the ozone layer is depleted‚ 2% more UV-B is able to reach the surface of the planet. So in short‚ without the ozone layer everything on earth will burn. The ozone layer is just as important to us as oxygen‚ without it the harmful UV radiation would give us server burns and destroy our delicate ecosystems. Even though there is hard evidence that proves that ozone depletion is harmful for organisms on earth‚ there are a few groups who think that the ozone layer is a “myth” aka doesn’t
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aquifer is an underground layer of water bearing rock. Many areas on earth have an underlying aquifer‚ which can supply fresh water through the use of a well. Aquifers were first tapped for water in the early 1900 ’s for irrigation. Aquifers were originally believed to be an inexhaustible resource thus humans began tapping them for municipal and industrial uses as well (Aquifer‚ 2007). Now‚ many countries are over pumping aquifers in a struggle to fulfill their growing water supply demands. For example
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Water Pollution: Is it as big of a problem as we think? The following essay will be looking at the factors that cause pollution‚ and the effect that pollution has on our world today. It will also investigate what it has in store for the future if things do not improve. It will also explore some of the methods used to treat and clean-up wastewater‚ and oil spills. Today‚ the industrialization of Canada is severely affecting this nations lakes‚ streams‚ and rivers. If something is not done
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Water Pollution Water is a necessity to life on earth. All organisms contain it‚ some drink it‚ and others inhabit it. Plants and animals require water that is moderately pure‚ and they cannot survive if their water is affluent with toxic chemicals and/or harmful microorganisms. If severe‚ water pollution can kill large numbers of fish‚ birds‚ and other animals‚ in some cases killing all members of a species in an affected area. Water pollution is not only hazardous to water-bond animals it also
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Pollution Human beings have always caused some environmental pollution. Since prehistoric times‚ people have created waste. Like garbage today‚ this waste was either burned‚ tossed into waterways‚ buried‚ or dumped aboveground. However‚ the waste of early peoples was mostly food scraps and other substances that broke down easily by natural decay processes. Prehistoric populations were also much smaller and were spread out over large areas. As a result‚ pollution was less concentrated and caused
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