when it comes to nature causing climate changes; volcanic eruptions‚ ocean currents‚ earth orbital changes‚ and solar variations. There are three major factors when it comes to humans causing climate changes; transportation‚ deforestation‚ and fossil fuels to generate energy. Volcanic eruptions can cause the climate to change. When a volcano erupts tiny particles called aerosols shoot into the atmosphere. These tiny particles reflect solar energy into space and cool the earth. Also when a volcano
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resources What are Alternative energy resources?? It is any energy source that is an alternative to fossil fuel. It is a form of energy derived from a natural source‚ such as the sun‚ wind‚ tides‚ or waves and are also known as “Renewable Energy” that do not use up natural resources or harm the environment. They are considered alternatives because they can be future replacements for the fossil fuels that now meet a considerable portion of our energy needs. What Energy Resources are we using now
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written by scientist James Hansen‚ Hansen discuss fossil fuel emission impact on the global environment and a possible solution to this problem. Hansen begins his essay by highlighting the problem that we are facing with global fossil emission and how the governments are failing to address this issue. He support his claim by proving examples where governments supports construction of new coal plant‚ liquid plants‚ development of unconventional fossil fuels‚ leasing of lands for oil and gas exploration
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problems. Pollution comes in many shapes and sizes. Burning fossil fuels is one thing that causes pollution. Fossil fuels are fuels made of organic matter such as coal‚ or oil. When fossil fuels are burned they give off a green house gas called CO2. Also mining coal and oil allows methane to escape. How does it escape? Methane is naturally in the ground. When coal or oil is mined you have to dig up the earth a little. When you dig up the fossil fuels you dig up the methane as well. Another major man-made
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gov/forecasts/aeo/er/index.cfm 17 _____. 2013d. “Table 1.1. Net Generation by Energy Source: Total (All Sectors)‚ 2003-February 2013.” Washington DC: EIA DC: EPA. Accessed March 2nd‚ 2013. _____. 2013b. “ANNEX 2: Methodology and Data for Estimating CO2 Emissions from Fossil Fuel Combustion.” Washington DC: EPA Gehringer‚ Magnus and Victor Loksha. 2012. “Geothermal Handbook: Planning and Financing Power Generation.” Washington DC: World Bank Group‚ Energy Sector Management Assistance Linvill‚ Carl‚ John Candelaria and Catherine
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mega-activities whereby their main source of energy is the fossil fuels‚ the main emitters of the greenhouse gases (GHGs)‚ such as the carbon dioxide (CO2). These gases are the main cause of global warming. Through statistics‚ it is shown that the large-scale CO2 emissions to the atmosphere are worsening day by day‚ so putting the earth on the verge of a massive global climate change chiefly portrayed by the global warming. Though fossil fuels are the major sources of CO2‚ they account for large part
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of fossil fuels (coal‚ oil and gas). These represented in 2008‚ 81% of all energy consumed‚ the remaining 19% originated in “traditional biomass”. (8%) used mainly in developing countries‚ nuclear (6%) large hydropower (2%) which are a renewable source of energy‚ and new renewable (3%) which includes modern biomass‚ solar‚ wind‚ small hydro and marine energy. Large hydropower and new renewable together are referred to as modern renewable. The 20th century marked the emergence of fossil fuels which
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Michael Pollan‚ The Omnivore’s Dilemma: The Secrets Behind What You Eat (Young Reader’s Edition) - Grade 7 Originally published in New York: Dial Books‚ 2009. Learning Objective: The goal of this two day exemplar is to give students the opportunity to use the reading and writing habits they’ve been practicing on a regular basis to unpack Pollan’s investigative journalism of industrial farms. By reading and rereading the passage closely combined with classroom discussion about it‚ students will
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large deposits of natural gas‚ there will be less usage of fossil fuels. With the fossil fuels being used over a greater period of time‚ research can be done to discover cleaner alternative energy sources. While natural gas is still detrimental to the environment‚ it does cause less carbon dioxide emissions than fossil fuels‚ so this is a common argument for fracking. While this argument makes sense if you are comparing gas to fossil fuels‚ it still pollutes the environment more than energy sources
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which also adds to the actual smog problem. Electricity is used at extremely high levels; factories need to therefore burn more coal to produce more electricity. Burning of coal is by far the main cause for the smog in China‚ "Coal is the traditional fuel for heating and cooking in many Chinese cities. It is low grade substance and high in sulphur. When burned‚ it coats surrounding surfaces with a noxious grey dust". (Duncan Hewitt‚ BBC News). Friday‚ 17 November‚ 2000‚ China’s environmental challenge
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