Sustainable Environment; Engineering Solutions Essay

Introduction: Air pollution can be defined as the harmful gases in the air that we breathe. Pollution can be caused by natural sources or as a result of human activities. Natural pollutants include: dust, pollen, smoke from forest fires, and bacterial and volcanic action. Nevertheless, human activities are the main cause of air pollution. Major sources of air pollution are industrial (factories and power stations) at 36% and on-road transportation at 26%. Currently, the number of vehicles on roads is constantly rising, leading to producing more pollutants. The most common pollutants in transportation are nitrogen oxides, carbon monoxide, sulpher dioxide, hydrocarbons and particulate matters. This essay will examine the impacts on human†¦show more content†¦Impacts of vehicle emissions Vehicle emissions are now becoming a problem. Vehicle emissions can lead to a reduction in quality of life and contamination of water, air and soil. This contamination causes some health problems for human such as heart diseases, cancer, and respiratory illnesses include: bronchitis and asthma, and even premature mortality particularly in children and the elderly. Pimentel (2007) points out that about 40% of deaths worldwide are caused by water, air and soil pollution (Sciencedaily 2007). In addition, these emissions can affect the nervous system in the human body. Ecosystems may also be affected by hydrocarbons, nitrogen oxides, carbon monoxide, sulpher dioxide and particulate matter, by directed damaging vegetation, interfering with plant functions and growth which affects adversely animals (Fuel Economy 2005). Air pollution can also be responsible for the decrease economy that could be for two reasons. First, damaging plants might produce negative economic impacts on the agricultu ral sector. These impacts are important where agriculture is the source of income. Moreover, in Canada, for instance, Environment Canada surveyed tourists about poor visibility and predict a future loss of tourist revenue of $7.45 million in the Greater Vancouver area and $1.32 million in the Fraser Valley. These losses are due to poor visibility whichShow MoreRelatedContribution Of Structural Engineers On Sustainable Development Essay1251 Words   |  6 PagesCONTRIBUTION OF STRUCTURAL ENGINEERS TO SUSTAINABLE DEVELOPMENT De Jesus, James Matthew L. ABSTRACT: This is a paper on how structural engineers help in the sustainable development of a country and how they have innovated methods of sustaining structures through experimentation and site analyses. This also covers the importance of structural engineers in sustainability. A definition of sustainability and development as separate terms give the main meaning of what sustainable development is. 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