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Energy Sources

According to the U.S. Energy Information Administration, nonrenewable energy sources, including fossil fuels and nuclear power, provide more than 92 percent of the world's energy needs. Renewable energy sources contribute just over seven percent.

Renewable Energy Nonrenewable Energy
Solar Energy
  • Heat and light energy from the Sun
  • Renews day after day as the Sun shines
Coal
  • Solid that takes millions of years to form
  • Mined from the Earth
Wind Energy
  • Motion energy from the wind
  • Renews day after day as the wind blows
Oil
  • Liquid that takes millions of years to form
  • Pumped from the ground
Hydropower Energy
  • Energy from moving water
  • Renews day after day in waves and flowing rivers
Natural Gas
  • Colorless odorless gas that takes millions of years to form
  • Pumped from the ground
Geothermal Energy
  • Heat and steam energy beneath the Earth's surface
Propane Gas
  • Natural gas that becomes a liquid gas at high pressure or at low temperature
  • Found with natural gas and oil
Biomass Energy
  • Plant material and animal waste used to generate energy
Nuclear Energy
  • Stored in atoms-the smallest particles of chemical elements
  • Formed using uranium ore which is mined from the earth

Additional topics

Science Encyclopedia for KidsBiofuels