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Renewable Energy #2 N.J.S.
1
Renewable Energy
Nathaniel
Salzano
Introduction
Natural gas and coal, are effective but have an end and a long-term effect on the environment. However, Renewable Energy can be an effective alternative to natural gas and coal.
Introduction
What Is Renewable Energy?
What Is Renewable Energy?
Why We Use Renewable Energy
We use Renewable Energy for many reasons such as to help reduce the impact of global warming. It can also help to reduce pollutants in the air and water which are linked to health problems.
Why We Use Renewable Energy
First Types Of Renewable Energy
Humans have used the energy from the sun as far back 700BC. In 300 B.C., the Greeks and Romans used to light torches with mirrors from the power of the sun.
First Types Of Renewable Energy
This is one of the first solar concentrators
Solar Energy
Solar energy has been used for many different reasons over time, but it was in 1883 that an American inventor by the name of Charles Fritz created the first solar cell.
Solar Energy
History Of Solar Energy
Solar panels were invented in 1876 by Professor William Grylls Adams and his student Richard Evans Day at king's college, London
History
Professor William Grylls Adams
Solar Water Heaters
In 1891, Clarens Kemp, an inventor in Baltimore created and patented the first commercially available solar water heater.
Solar Water Heaters
Wind Energy
The wind is another kind of solar energy because winds are generated by the heat of the sun on the earth.
Wind Energy
History Of Wind Turbines
Windmills have been in use since 2000 B.C. and were developed in Persia and China.
History
One Of The First Windmills
How Wind Turbines Work
Most of the modern day wind turbines work with three blades.
How Wind Turbines Work
Floating Wind Turbines
A floating wind turbine is an offshore wind turbine mounted on a floating structure that allows the turbine to generate electricity on the water where fixed-foundation turbines are not feasible
Floating Wind Turbines
Fun Facts!
Fun Facts
Geothermal Energy
Geothermal energy is heat from the earth.
Geothermal Energy
How Geothermal Systems Work
Geothermal energy comes from a mixture of water and steam under pressure drawn from about 1 mile beneath the earth
How Geothermal Systems Work
History Of Geothermal Energy
Geothermal heat pumps have been in use since the late 1940s.The oldest spa in the world fed by a geothermal source was found on a mountain in China, and it was built in the 3rd century B.C.
History
Fun Facts!
Fun Facts
Geothermal Plant In Italy
Wave Energy
Waves are generated as the wind blows over the oceans or lakes.
Wave Energy
How Do Waves Get Transferred Into Power?
One way to convert waves into power is to focus the waves into a narrow channel to increase their power which spins the turbines faster than a normal wave would, generating more power.
How Do Waves Get Transferred Into Power?
Other Applications of Wave Energy
Not only can Wave Energy provide reliable electricity, but it can also desalinate ocean water to make clean, drinkable water.
Other Applications of Wave Energy
Diagram Of The Water Purification System
Wave Power Plants
The largest wave power plant is located in Portugal producing 2.25 MW of power.
Wave Power Plants
Future Plans
The west coast of the U.S. and other places around the world like the UK have wave energy plans, and some of those plans are already coming to life.
Future Plans
Impact Of Renewable Energy
We could reduce a lot of carbon pollution by investing in renewable energy.
Impact Of Renewable Energy
Impact Of Wind Energy
Harnessing the power from the wind is one of the cleanest and most effective ways to generate electricity, and it is one of the few electricity sources that don’t use water. But, it does have its downsides.
Impact Of Wind Energy
Impact Of Solar Power
The sun provides a considerable amount of clean and renewable energy without toxic gases.
Impact Of Solar Power
Impact Of Wave Energy
Wave energy is an excellent renewable source, but it has several downsides.
Impact Of Wave Energy
Impact Of Geothermal Energy
An average geothermal power plant releases the equivalent of 122 kg carbon-dioxide for every megawatt-hour of electricity it generates.
Impact Of Geothermal
Energy
Economic Benefit of Renewable Energy
The United States face a significant challenge to transform its energy sector to less to no carbon-producing energy sources.
Economic Benefit of Renewable Energy
Conclusion
For so many centuries, humans have used fossil fuel like coal, oil, and wood, and that needs to change.