ENERGY CRISIS AND ENERGY ALTERNATIVES

• electricity

•  polluting

 

• oil 

 

• environment

 

• world

• solar energy

 

• heating

 

• power

• earth

• NON-RENEWABLE ENERGY SOURCES (fuentes de energía no renovables)

- fossil fuels (coal, oil, natural gas) and nuclear energy

coal

oil

 natural gas

• RENEWABLE ENERGY SOURCES 

(fuentes de energía renovables)

 nuclear energy