Alternative or Renewable Energy

Renewable energy is energy generated from natural resources—such as sunlight, wind, water (hydro), ocean thermal, wave and tide action, biomass and geothermal heat—that are naturally replenished and thus renewable. Renewable energy resources are virtually inexhaustible— they are 

Most Americans still do not understand that we are running short of the fuels that we use every day—the fuels that made us what we are today. We built the world s greatest economy on oil that sold for 3 to 4 per barrel 

Fossil fuels (coal, coke, natural gas, petroleum) 78.631 

Biomass (biofuels, waste, wood, and wood-derived) 3.884 

Source USEIA, U.S. Energy Consumption by Energy Source, U.S. Energy Information Administration, Washington, DC, 2010 (www.eia.gov/ cneaf / alternate /page / renew energy consump / tablel. html). 

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