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Non-renewable and Renewable Resources How to not use up what we got to create the energy we need
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7.02 billion People on Earth Smog contains ground level ozone from burning fossil fuels; ground level ozone forms when an oxygen molecule is transferred from nitrogen dioxide to an oxygen molecule creating O 3
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What played a role in human growth in 20 th century? Improved transportation which increased immigration ---when people from developing countries immigrate to developed countries they obtain better nutrition, better medical care which results in longer life and more births.
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Greenhouse Gases and Earth We need greenhouse gases to absorb infrared radiation to keep the Earth warm. BUT We have created a trend of increasing temperatures on Earth due to our increase use of fossil fuels.
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We have modified our environment due to technological advances
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World population Can stabilize after fertility rates fall below replacement level
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Resource most impacted water
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Diseases Dysentery—spread through unsafe water sources TB—spread through close contact then international travel Malaria—spread through global warming providing increases in disease carrying mosquitoes
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What We Use
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Five Factors that influence value of fuel Cost Availability Safety Energy Content Byproducts of the fuel’s use
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Resources vs Reserves Resources natural concentrations of minerals or, bodies of rock that are, or may become, of potential economic interest due to their inherent properties. Reserves the estimated quantity of minerals that could be extracted from a site, is of considerable importance to governments, international agencies, economists and the international energy industry.
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Resources vs Reserves
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Fossil Fuels Are readily available and inexpensive compared to alternative energy sources
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How Fossil Fuels Got Their Name http://www.youtube.co m/watch?v=cJ- J91SwP8w 5:38minhttp://www.youtube.co m/watch?v=cJ- J91SwP8w
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All About Coal http://www.youtube.com/watch?v=71k ckb8hhOQhttp://www.youtube.com/watch?v=71k ckb8hhOQ http://cnettv.cnet.c om/60-minutes- powered- coal/9742-1_53- 50070761.html
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How Coal is Formed
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Pockets of oil and natural gas may become trapped between layers of non- porous rock
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Types of Coal http://www.youtube.com/watch?v=BoucOB73Tyk
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Nuclear Power http://www.youtube.com/watch?v=VJfIbBD R3e8 4minhttp://www.youtube.com/watch?v=VJfIbBD R3e8
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Nuclear Energy
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Pros/Cons of Nuclear Pro--- does not produce an air pollution very efficient energy Con— difficulty of safe storage of waste high costs possibility of nuclear melt down
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What do Coal and Nuclear Have in Common? generators turnbines
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Fission and Fusion http://www.shell.us/ho me/content/usa/enviro nment_society/educat ion/teacher/interactive _activities/
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Non-renewable Energy Sources
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Natural Gas Natural gas is usually found underground near an oil source. It is a mixture of light hydrocarbons including methane, ethane, propane, butane, and pentane. Natural gas is the cleanest burning fossil fuel.
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Energy Use
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Carbon Footprint
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How to Reduce Your Carbon Footprint Unplug! Drink from the Tap! CFLs Recycle Eat local products
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Renewable Energy
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Wind Energy Fastest growing energy source in the world
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How Solar Power Works
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Geo-Thermal Power
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How GeoThermal Works Ground is colder than the air in summer and warmer than the air in winter
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Tidal Power
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Electromagnetic Power
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Hydroelectric Power
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Wave Power
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Sustainability Human needs are met in such a way that a human population can survive indefinitely
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What you can to influence the environment Vote Think globally, act locally Consumer choices
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