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Understanding Fossil Fuels: Types and Environmental Impact

Explore the characteristics of fossil fuels including coal, natural gas, petroleum, oil shale, peat, and bitumens. Learn about their composition, environmental effects, and importance in energy production. Discover the differences in burning cleanliness and pollutants emitted.

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Understanding Fossil Fuels: Types and Environmental Impact

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  1. 2-17-11 EARTH SCIENCE • Fossil Fuels include not only coal, natural gas, & petroleum but also oil shale, peat, & bitumens. • Oil shale is a sedimentary rock that releases hydrocarbons when heated above 500⁰C. • Bitumens are dense, very viscous hydrocarbons similar to asphalt. • Natural gas is the cleanest burning fossil fuel. It is composed primarily of methane. • Other fossil fuels do not burn as cleanly as natural gas. Oil & coal compounds pollute by releasing sulfur dioxide, nitrogen oxides, & carbon monoxide into the atmosphere.

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