Geothermal As A Green Energy Source
From the ecolake website: Tuesday, December 8th, 2009 We have the technology to do a lot of things and one of these is to tap the earth’s energy. This is exactly what we do when we decide to use geothermal which happens to be a green energy source.
Geothermal energy is energy obtained by tapping heat from the earth itself. This comes from magma and the radioactive decay of uranium, thorium, and potassium.
The downside to geothermal energy is the fact that it is expensive to build. On the other hand, because the earth’s crust continuously decays replenishing the heat, it is still a renewable source of energy.
There are three types of geothermal plants around. These are namely dry steam, flash, and binary.
Continue reading here http://ecolake.org/geothermal-as-a-green-energy-source.html
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