NOISE CONTROL OF TWO STROKE PETROL ENGINE USING AQUA SILENCER SYNOPSIS Air pollution is most important from the public health point of view‚ because every individual person breathes approximately 22000 times a day‚ inhaling about 15 to 22 Kg of air daily. Polluted air causes physical ill effect decides undesirable aesthetic and physiological effects. Air pollution can be defined as addition to our atmosphere of any material‚ which will have a deterious effect on life upon our planet. The main pollutants contribute
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INTRODUCTION: Our natural environment includes all living and non living things like land‚ forests‚ minerals‚ water bodies‚ the atmosphere‚ etc. Some of these resources are renewable and others are non renewable‚ which get depleted and ultimately exhausted with their continuous use. Even the renewable resources may get degraded or polluted. Economic development leads to increase in the rate of national income. Increase in national income would result only from increased production of goods and services
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The Green Belt movement was founded 1977 in Kenya by Professor Wangari Maathai‚ under the auspices of the National Council of Women of Kenya. The Green Belt movement is an indigenous‚ grassroots‚ non-governmental organization that takes a holistic approach to development by focusing on environmental conservation‚ community development and capacity building. The Green Belt Movement organizes women in rural Kenya to plant trees‚ combat deforestation‚ restore their main source of fuel for cooking‚ generate
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Do you recycle? Yeah‚ I do. How about you? I only recycle glass. I recycle everything! I recycle glass‚ paper‚ and plastic. That’s cool. I guess you care about the environment a lot. I do. I think people pollute way too much. I don’t know a lot about pollution. Well‚ there are many different kinds of pollution. oh‚ really? Like what? Yes. Air pollution and light pollution are two of them. How do people prevent pollution? Well‚ driving less and using clean forms of energy prevent pollution
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DCITATION: http://www.epa.gov/dfe/pubs/laundry/techfact/keychar.htm Surfactants * Positive Environmental Characteristic: Biodegrade readily to compounds with low toxicity. Example: Straight carbon chain compounds like linear alcohol ethoxylates or betaine esters. * Key Characteristics of Concern: Toxicity to aquatic organisms‚ like fish (vertebrates)‚ daphnids (invertebrates) and algae; persistence in the environment; toxicity of biodegradation byproducts. * Example: Alkylphenol ethoxylates--biodegrade
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Luke I. INTRIDUCTION Over the past centuries‚ the world population grow up to bigger and bigger‚ and human believe that they are the owner of the earth. This is because after the industrial revolution and technological revolution‚ human brought an amazing period of change for the world and themself. Therefore‚ you can see the cities with skyscrapers in anywhere no matter desert or ice field‚ and people can get anything which they want through the internet. These changes base on the
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1.1 Describe the factors to take into account when planning healthy and safe indoor and outdoor environments and services. Before starting any activity it is important that you take into account the health and safety requirements of all pupils‚ ensuring that the environment is free of any hazards and that pupils will be able to work/play safely. Factors which should be taken into account when planning healthy and safe indoor and outdoor environments and services are: • Ratios of staff to children
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Book Title: Silent Spring Author: Rachael Carson Publisher: Houghton Mifflin Company in 1962 Background Information: Silent Spring is a book that explains the environmental and human dangers of uncritical use of pesticides‚ leading to new changes in the laws affecting our air‚ land‚ and water. It also looks at the effects of insecticides and pesticides on songbird populations throughout the United States‚ whose declining numbers generated the silence to which her title refers. I began this
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Unsustainable environmental practices poses increasing threats to the Earth’s water‚ forests‚ climate‚ biodiversity and energy supply. The issue of environmental protection is definitely one of the toughest issues facing the whole human race. There are two different opinions debating whether the involvement of individuals is important to solve the problem. One opinion states that environmental problems are too profound that beyond the capbility of individuals to solve. Firstly‚ the lack of professional
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Memorandum To: Team at Social Responsibility Project From: Mr. Nicholas Tan‚ Associate at Social Responsibility Project Re: Environmental risks involved in pipeline construction As we know‚ the recent Northern Gateway Pipeline proposes to build 2 parallel pipelines that stretch across from the oil sands of Alberta to the BC Coast of Kitimat. This Northern Gateway Pipeline has stirred negative controversy lately due to its impact on the local community during its construction. A key stakeholder
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