ISSUE GUIDES: Environment

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  • Federal spending on the environment
  • Common pollutants
  • U.S. emissions of greenhouse gases
  • Origins of greenhouse gases
  • Atmospheric concentration of carbon dioxide
  • International carbon dioxide emissions
  • Sources of energy
  • Energy consumption exceeds production
  • Energy consumption per person
  • Energy consumption by sector
  • World energy demand
  • World energy demand by source
  • International energy consumption
  • World oil reserves
  • U.S. dependence on petroleum
  • Top suppliers of oil to the U.S.
  • Number of vehicles per household
  • Crude oil prices
  • Gasoline prices
  • World natural gas reserves
  • Natural gas prices
  • World coal reserves
  • Sources of electricity
  • Price of electricity
  • Nuclear reactors
  • Solid waste
  • Endangered species
  • Forests' growth and harvesting
  • Population growth