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Hydro-electric Energy

Solar Wind Tidal Geothermal
Hydro-Electric Nuclear Bio Fuels
Fossil Fuels

WaterfallHydroelectric power works much the same as tidal power but in one constant direction. Hydroelectic power is a very clean energy source. It gives off no byproducts or greenhouse gases into the atmousphere , but, it has problems. Some negative effects are flooding, soil erosion, siltation, pollution, and habitat destruction, especially of endangered species. Its a difficult option to pass up but the stakes are quite high.



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How old is the Earth, in years?

4.5 billion
500 million
DID YOU KNOW

At one time, most of the US continent was covered by water, which is why ocean fossils are found in places like the Grand Canyon.


Switchgrass is one potential biofuel that is closely being explored by experts. It may have a role in the sustainable energy future.

One dollar, one tree, one planet.

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