Fossil Fuels Formation and Distribution. Fossil Fuels Coal Oil (Petroleum) Natural Gas.
The Era of Fossil Fuels Fossil fuels: petroleum, natural gas and coal (organic) Currently 90% of...
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Transcript of The Era of Fossil Fuels Fossil fuels: petroleum, natural gas and coal (organic) Currently 90% of...
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The Era of Fossil Fuels
• Fossil fuels: petroleum, natural gas and coal (organic)• Currently 90% of current US energy from from fossil
fuels • Expected oil production peak: 2020-2030• Consumption currently increasing• Projected world oil production will be exhausted by
2100• Produces significant and diverse pollution problems
o Greenhouse gasseso Gaseous Sulfur and nitrogen oxideso Land-based disturbances
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© 2003 John Wiley and Sons Publishers
Proven world oil reserves in 1998.
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© 2003 John Wiley and Sons Publishers
Fig 17.9 World coal reserves in 1999.
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© 2003 John Wiley and Sons Publishers
Total energy consumption for the United States, 1950-1999.
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© 2003 John Wiley and Sons Publishers
Taxes for 1 gal of gasoline in U.S. dollars equivalent for selected countries, 1995.
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Historical Research and Development Dollars
Department of Energy Research and Development (Fiscal Year 1948-1998)
Nuclear Energy59%
Renewables11%
Fossil Fuel 23%
Energy Efficiency7%
Nuclear Energy Fossil Fuel Energy Efficiency Renewables
$66 Billion
$26 Billion
$8 Billion
$12 Billion
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Current Energy Tax Breaks
Fiscal Years 2003-2007
12%
6%
76%
2%
1%
1%
2%
Nuclear Tax Exempt Energy Bonds Oil and Gas Coal Energy Conservation Geothermal and Solar Wind and Biomass
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Pollution• Health Impacts
– More than 131 million Americans live in areas where smog pollution makes their air unsafe to breathe, and every year over 45,000 lives are cut short by air pollution.
– The National Academy of Sciences estimates that every year 60,000 children may be born at a significantly increased risk of neurological defects primarily due to mothers eating mercury-contaminated fish.
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Pollution• Oil Spills
– 31,000 galloons of spilled into waterways every day
– Between 1973 and 1993 there were 200,000 oil spills in U.S. waters, spilling more than 230 million gallons of oil.
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Pollution• Land Destruction
– Mountaintop removal in West Virginia
– Tens of thousands of coalbed methane wells in the Powder River Basin in Wyoming
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PollutionGlobal Warming
– With only 4 percent of the world's population, we produce 25 percent of the carbon dioxide pollution
– Intergovernmental Panel on Climate Change projects that the Earth's average surface temperature will increase between 2.5 and 10.4°F (1.4 to 5.8°C) between 1990 and 2100 if no major efforts are undertaken to reduce the emissions of greenhouse gases (the "business-as-usual" scenario).