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Energy Conversions - Middle School Chaos Mrs. Piper, Mr. Hysell
Energy Conversions - Middle School Chaos Mrs. Piper, Mr. Hysell

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Energy Target Review - Scott County Schools
Energy Target Review - Scott County Schools

... off the ground, the ball has gravitational potential energy. When dropped, the gravitational energy gets less and less as it gets closer to the ground, and that is converted into mechanical/ motion energy. As it touches the floor, molecules are compressed and that motion energy is transformed into e ...
energy - IS MU
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Module 4 Review Our Atmosphere: Things Happen Here!
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Forces and Motion PPT - Coventry Local Schools

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Write-up - Community Science Workshop Network
Write-up - Community Science Workshop Network

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Chapter 15 test review
Chapter 15 test review

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World energy consumption



World energy consumption refers to the total energy used by all of human civilization. Typically measured per year, it involves all energy harnessed from every energy source applied towards humanity's endeavors across every single industrial and technological sector, across every country. Being the power source metric of civilization, World Energy Consumption has deep implications for humanity's social-economic-political sphere.Institutions such as the International Energy Agency (IEA), the U.S. Energy Information Administration (EIA), and the European Environment Agency record and publish energy data periodically. Improved data and understanding of World Energy Consumption may reveal systemic trends and patterns, which could help frame current energy issues and encourage movement towards collectively useful solutions.In 2012, the IEA estimated that the world energy consumption was 155,505 terawatt-hour (TWh), or 5.598 × 1020 joules. This works out to 17.7 TW, or a bit less than the estimated 20 TW produced by radioactive decay on earth. From 2000–2012 coal was the source of energy with the largest growth. The use of oil and natural gas also had considerable growth, followed by hydro power and renewable energy. Renewable energy grew at a rate faster than any other time in history during this period, which can possibly be explained by an increase in international investment in renewable energy. The demand for nuclear energy decreased, possibly due to the accidents at Chernobyl and Three Mile Island.In 2011, expenditures on energy totaled over 6 trillion USD, or about 10% of the world gross domestic product (GDP). Europe spends close to one quarter of the world energy expenditures, Americans close to 20%, and Japan 6%.
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