Eco Tech Group

Currency & Issues

 

The Currency

  • Energy is the ability to do work.
  • Joules are the international currency.
  • A joule equals one watt-second.
  • A British Thermal Unit (Btu) = 1,055 joules.
  • One kilowatt (kWh) hour = 3,412 Btu.
  • One therm = 100,000 Btu.
  • One calorie = 4.184 joules.
  • One dietary calorie = 1,000 calories.
  • KWH and therms are important for consumers –units for electric and gas bills.

Energy Resources

energy type

Non-renewable resources

  • Fossil
  • Coal
  • Oil
  • Natural Gas

Renewable Resources

  • Hydro
  • Biomass
  • Geothermal
  • Solar

Implications

  • Our standard of living is intimately tied to our consumption of fossil fuels

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  • Our standard of living has serious   environmental implications

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Environmental Issues

  • Air pollution
  • Ozone Particles
  • Acid Rain
  • Climate Change
  • Water use
  • Pollution
  • Thermal
  • Consumption
  • Land use
  • Sprawl
  • Habitat Fragmentation

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