ENVIRON 201 Lecture Notes - Lecture 7: Tennessee Valley Authority, Carboniferous, Sulfur Dioxide
Document Summary
Environ 201 lecture 7 electricity pt. Where do we get our energy: cheap fossil fuels. How we do get materials to make our phones: mining, materials that are not sustainable. How is electricity generated: electricity and the environment. Electricity supply chain: energy mostly comes from coal. Main coal source in u. s. appalachian mountains: power plants. Possible sources of electrical energy: fossil fuels. Mainly used in transportation for gasoline and lubrication: nuclear (not a fossil fuel, renewables. Power production sources: vast majority is fossil fuels. Coal and michigan: michigan is the 7th most dependent state on coal, ~. 8 billion spent on coal in 2008. Electricity is part of the overall energy system: world energy production by source: 13. 2% renewables: world electricity generation by source: What do we use electricity for: ~50% electricity spent to heat/cool our homes and food, most electricity is used to make ourselves comfortable.
