EESA01H3 Chapter Notes - Chapter 11: Asphalt, Habitat Destruction, Peak Oil

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Oil is the mostly consumed source of energy: followed by coal and then natural gas, fossil fuels dominate energy consumption in canada. Coal: formed from peat deposits laid down 300-400 ma under, it is a rock and provides of world"s commercial energy intense pressure consumption. Shafts, networks or tunnels to expose coal seams. Heavy machinery removes strips to expose seems from surface down. Clean coal: mountaintop removal, involves reducing toxic chemical release using technology, depending on source (freshwater vs marine), coal contains either before or after coal burn variable amounts of pollutants (sulphur, mercury, or arsenic) Coal mining impacts: habitat loss (strip mining, soil erosion, air pollution in burning, generates other hazardous solid wastes, acid drainage. Produced by action of bacteria who decompose organic matter anaerobically: thermogenic gas. Results from compression of organic matter and heating deep beneath the surface.

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