1.  Renewable Energies Cristóbal Cervantes H. 4ºA

2. Definition  They are forms of enery with a practically infinite source as to human life expectancy, and can be technically viable.

3. GREEN Energy  Able to produce energy without pollution: Clean energy  This energy is almost infinite, it can last more and even longer than fossil fuels.

4.  By using them we can preserve our planet as we won’t need to use not renewable sources  They can contribute to regional development

5. Types of Renewable Energies  SOLAR: Sun energy can be used as fotovoltaic or fototermal.  EOLIC: Energy provided by the wind, like windmills. SOLAR CELLS SOLAR KITCHEN

6.  BIOMASS: The use of organic material to generate energy, they can be biofuels and bioenergetic.  TIDAL: The energy provided by the tides, waves, currents and termal changes at the sea. This energy is transformed by hidraulic turbines.

7. Let’s take care of Our Planet!

8. Thank you!