Ecological energy:
One of the advantages of renewable energy resources that produce no emissions of greenhouse gases and other emissions, contrary to what happens with fuel, whether fossil or renewable. Some sources do not emit additional carbon dioxide, except those needed for the construction and operation, and does not present any additional risks, such as the nuclear threat.
Renewables Pollutants:
Biomass, as the weight of carbon dioxide by releasing the oxygen to him. This energy is not really an inexhaustible energy, but as we know it is considered a renewable energy. Biomass is used even if only in limited.There is already some doubts regarding the ability of agriculture to provide the necessary quantities of plant mass, seesta source popularize it, which is showing the price increase of grain due to its use for the production of biofuels.But biofuels produced, providing a large amount of carbon dioxide per unit of power so this will be equivalent foss
il energy.
il energy.There are sources of geothermal energy as pollutants, because the extraction of groundwater in high temperatures are caused by dragging to asuperficie of toxic.
Sources:
Information: - http://web.educom.pt/fq/energia/renovaveis.htm
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