RENEWABLE ENERGY BASILI MONTURIOL GIMÉNEZ 4t A. MAIN FORMS OF RENEWABLE ENERGY - WIND POWER. - HYDROPOWER. - SOLAR ENERGY. - BIOFUEL. - GEOTHERMAL ENERGY.

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<ul><li> Slide 1 </li> <li> RENEWABLE ENERGY BASILI MONTURIOL GIMNEZ 4t A </li> <li> Slide 2 </li> <li> MAIN FORMS OF RENEWABLE ENERGY - WIND POWER. - HYDROPOWER. - SOLAR ENERGY. - BIOFUEL. - GEOTHERMAL ENERGY. </li> <li> Slide 3 </li> <li> WIND POWER Nowadays, wind power is usually used to produce electrycity. Its produced by wind turbines. A long time ago wind power was used for mills and for move boats. The problem is it needs a lot of land to built them. </li> <li> Slide 4 </li> <li> HIDROPOWER Hidropower uses the kinetic energy of the water to produce electricity. The water is not used is keeped in dams. In Catalonia weve got a lot of dams because we have many rivers, especially in the Pirineus. </li> <li> Slide 5 </li> <li> SOLAR ENERGY Solar energy uses the sun's energy to produce other energies. The energy is concentrated in a battery into a photovoltaic panel and only comes out when we have to use them. Is often used in homes. </li> <li> Slide 6 </li> <li> BIOFUEL Biofuels are any fuel derived from biological origin of living organisms or organic debris. The main types are biodiesel (oil), ethanol (alcohol), biogas (natural gas). Biofuels are in a phase of development. </li> <li> Slide 7 </li> <li> GEOTHERMAL ENERGY Geothermal energy is energy extracted from the earth. This geothermal energy comes from magma inside the earth. This releases heat, and we use that to produce other energies. </li> <li> Slide 8 </li> <li> MY OPINION I think that renewable energies are good for the planet because we can produce them, and dont pollute the environment. BASILI MONTURIOL GIMNEZ 4t A </li> </ul>

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