Catalonia currently has 31 wind farms in operation, with an installed wind power capacity of 849.64 MW.By:Luqman
Wednesday, February 27, 2013
Friday, February 22, 2013
Why do we have to use renewable energies?
We have to use renewable energies because these energies are coming from the sun, wind, biomass, geothermal and water. That means they are 100% natural and 0% artificial.
According to a 2011 projection by the International Energy Agency, solar power generators may produce most of the world’s electricity within 50 years, dramatically reducing the emissions of greenhouse gases that harm the environment.
By: Alba
According to a 2011 projection by the International Energy Agency, solar power generators may produce most of the world’s electricity within 50 years, dramatically reducing the emissions of greenhouse gases that harm the environment.
By: Alba
Thursday, February 21, 2013
Difference between renewable energies and non-renewable.
Renewable energy they will never run out.The five renewable sources used most often are:
-Biomass — including:
-Geothermal
-Wind
-Solar
And the four nonrenewable energy sources used most often are:
-Oil and petroleum products — including gasoline, diesel fuel, and propane
Natural gas
-Coal
-Uranium (nuclear energy)
Nonrenewable energy sources come out of the ground as liquids, gases, and solids. Crude oil (petroleum) is the only commercial nonrenewable fuel that is naturally in liquid form. Natural gas and propane are normally gases, and coal is a solid.
By:Luqman
-Biomass — including:
- wood and wood waste,
- municipal solid waste,
- landfill gas and biogas,
- ethanol
- biodiesel
-Geothermal
-Wind
-Solar
And the four nonrenewable energy sources used most often are:
-Oil and petroleum products — including gasoline, diesel fuel, and propane
Natural gas
-Coal
-Uranium (nuclear energy)
Nonrenewable energy sources come out of the ground as liquids, gases, and solids. Crude oil (petroleum) is the only commercial nonrenewable fuel that is naturally in liquid form. Natural gas and propane are normally gases, and coal is a solid.
By:Luqman
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