inexhaustible and renewable energy resources
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Inexhaustible and Renewable Energy Resources. ….and coal, and natural gas!. Inexhaustible Energy Sun Wind Water Geothermal Renewable Energy Biomass Wood Alcohol Garbage. Energy from the Sun. Pros No Pollution, except in the manufacturing Very efficient Installation is more cost - PowerPoint PPT PresentationTRANSCRIPT
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Inexhaustible and Renewable Energy Resources
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….and coal, and natural gas!
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• Inexhaustible Energy – Sun– Wind– Water– Geothermal
• Renewable Energy– Biomass– Wood– Alcohol– Garbage
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Energy from the Sun
• Pros– No Pollution, except in the manufacturing– Very efficient– Installation is more cost
effective than laying high voltage wires
– Very quiet
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Energy from the Sun
• Cons– Initial installation is expensive– Can only generate electricity during daylight
hours– Can be affected by weather
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• http://www.youtube.com/watch?v=4uPVZUTLAvA
• http://www.youtube.com/watch?v=NDZzAIcCQLQ
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Energy from Wind
• Pros– No pollution– Little harm to the
environment– Produces no waste– Take up little space
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Energy from Wind• Cons
– Initial construction is expensive– Noise– Wind can be inconsistent– Birds?? = Misconception
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Energy from Wind
• http://www.youtube.com/watch?v=niZ_cvu9Fts
• According to a recent report posted by the DOE’s National Renewable Energy Lab (NREL), renewables can contribute 80% of American electricity by the year 2050. Much of it will be provided by wind power installations.
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The fact is….• There is no perfect energy source. Each
and every one has its own advantages and compromises. It is a matter of weighing those advantages against the compromises, the pros against the cons, and making decisions based on what is best for our planet and the future.