Topic 2 Pt 3, Energy Resources and Society

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Oct 30, 2023

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Earth as a Resource Readings Pages Chapter 14 • 503-544 Part 2: Energy and the Environment
Where does energy come from?
From the simplest algal scum to the most complex ecosystem, energy is essential to life. We convert food into energy every day to power our bodies. We use fuels to power our stuff.
Throughout history, humans have discovered ways to take various sources of energy and use them to their advantage. The trend has been towards bigger and better sources of energy, from burning wood to nuclear energy. http://blog.teachersource.com/wp-content/uploads/2016/04/evolution-of-energy-0-300x242.jpg We keep seeking out more efficient and economical ways to make our lives easier.
Evolution of Energy https://people.hofstra.edu/geotrans/eng/ch8en/conc8en/evolenergy.html Animals for manual labor, wood for heat Industrial revolution; coal used for steam engines, then power plants Early major reliance on coal, but a gradual shift towards oil Petroleum very important. Nuclear, hydro, wind and solar power also get tapped. Shift away from coal/oil towards natural gas, renewables, nuclear, hydrogen…?
Renewable Energy Resources http://pscsolaruk.com/blog/wp-content/uploads/2016/11/psc-solar-uk-renewable-energy-source.jpg
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