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Concerns about the use of Fossil Fuels

Concerns about the use of Fossil Fuels - Rising CO2...

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Concerns about the use of Fossil Fuels • Abundance o Where? o How much remains? • Environmental Impacts? • 85% of our energy comes from fossil fuels • Scarce metals- less than .1 wt% • Another constituent of interest in the Earth’s crust • Carbon (C)- Less than .02 weight %, 200 ppm
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Unformatted text preview: Rising CO2 Concentrations in the Atmosphere • The geologic record shows large variations in CO2 concentrations • The higher the CO2 concentrations, the higher the temperature change and less glaciers •...
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