sustained rapid per capita income growth over many years. More available income has led to an increase in the demand for transport fuel for both personal and commercial use‚ and that trend is expected to continue as more consumers achieve middle-income status. The supply of energy is also expected to be more costly to produce than in the past because of the depletion of easily accessible supplies of crude oil as major oil fields age and production declines. New oil fields are being located and developed
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great advantage. Wind turbines and solar panels can also be very aesthetically attractive‚ and people can comfortably live around them. Human health risk is also dramatically reduced when using wind and solar power as an alternative to burning fossil fuels. Wind and solar power can be the messiah of the earth. Solar power is the process for converting sunlight into heat and or electricity. In the case of solar panels‚ photovoltaics are used to convert light directly into electric current. Concentrated
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sufficient energy sources to meet current and future needs of development. Moreover‚our development is overly depend on fossil fuel so that considerable problems‚ have deeply affected environment. For example‚ massive emissions of carbon dioxide by industry and transport has already changed atmosphere structure and result in serious greenhouse effect.Besides‚ ozone layer depletion and acid rain also seriously damage our environment and ecosystems. In a word‚ exciting energy sources have many problems
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HARVARD PROFESSOR‚ BUSINESS EXECUTIVES DETAIL BENEFITS OF SCIENCE‚ TECHNOLOGY FOR DEVELOPMENT IN SECOND COMMITTEE PANEL DISCUSSION While‚ science and technology had indeed led to great advances in global development‚ increased investment in that field could do much more to feed‚ nurture‚ house‚ and employ the growing world population while protecting the environment‚ Harvard professor William Clark told a panel discussion on science and technology for sustainable development this morning.
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which are utilized heavily in packaging from areas such as product wrappers to food wrapping illustrate that versatile plastic is an essential part of our lives. However‚ with the threat of global warming on the horizon‚ as well as the depletion of fossil fuels used in the production of these plastics‚ there has been an outcry for a greener alternative to plastic. Hence‚ bioplastics have emerged as a promising option to replace conventional plastic packaging to mitigate our addiction to oil and
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“non-renewable” energy resources. Non-renewable energy resources consist of fossil fuels (petroleum‚ coal‚ natural gas) and uranium (nuclear energy). The amount of pollution released from producing energy is a big concern‚ but not all of the energy resources emit the same amount of pollution. The alarming fact is‚ recently‚ many of the energy resources that emit large amount of pollution are being overused. The depletion of natural resources‚ in addition to the rapid increase in consumption of these
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atmosphere then fossil fuels. Furthermore‚ Nuclear Power is eco-friendly because we can reduce waste by recycling and reprocessing it. Nuclear Power is safe‚ reliable and eco-friendly way to acquire vast amounts of energy. Nuclear Power is reliable because it provides us with large power-generating capacity able to meet all needs. Nuclear Power is the most environmentally favorable way of producing electricity on a large scale. For example‚ a gram of uranium‚ which is used as fuel for Nuclear Power
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dioxide CO2 (9-26%)‚ methane CH4 (4-9%)‚ and ozone O3 (3-7%). Since the industrial revolution‚ human activity has increased the amount of greenhouse gases‚ leading to increased levels of CO2‚ methane and troposphere ozone. Fossil fuels are the world’s largest leading energy and fuel source for most vehicles. When energy is scarce or expensive‚ people can suffer material deprivation and economic hardship. When it is obtained in ways that fail to minimize environmental and political costs‚ these too
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Political Promotion of Renewable Energy in the United States and Germany http://www.e- ir.info/2012/11/09/political- promotion- of- renewable- energy- in- the- united- states- and- germany/ March 9‚ 2013 By Jakob Hauter on November 9‚ 2012 The Polit ical Promot ion of Renewable Energy in t he Unit ed St at es and Germany: Mot ives and Consequences At a time when popular uprisings against oppressive regimes in North Africa let oil prices soar and stir a debate in developed nations about the
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Ozone depletion‚ greenhouse effect‚ and acid rain are man-made disasters. The ozone layer is the part of the Earth’s atmosphere which contains relatively high concentrations of ozone (O3). The cause of ozone depletion is the presence of Chlorofluorocarbons (CFCs) and related halocarbons gases in the atmosphere. In the presence of Ultraviolet light‚ these gases dissociate‚ releasing chlorine atoms‚ which then go on to catalyze ozone destruction. The greenhouse effect‚ on the other hand‚ is a natural
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