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Renewable and Non-Renewable Resources

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chirayu shekkar

on 14 February 2014

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Transcript of Renewable and Non-Renewable Resources

Oil :- Advantages- oil is a ready-made fuel. Relatively cheap to extract and to convert into energy.
Disadvantages-When burned, it gives off atmospheric pollutants, including greenhouse gases. There is only a limited supply

The sun, wind, geothermal, ocean energy are available in the abundant quantity and free to use.
Renewable sources have low carbon emissions, therefore they are considered as green and environment friendly.

Renewable sources can cost less than consuming the local electrical supply.

It is not easy to set up a plant as the initial costs are quite steep.
Solar energy can be used during the day time and not during night or rainy season.
Geothermal energy which can be used to generate electricity has side effects .
Hydroelectric provide pure form of energy but building dams across the river which is quite expensive can affect natural flow of the river
Types of resources
Coal :- Advantage-Ready-made fuel. It is relatively cheap to mine and to convert into energy. Coal supplies will last longer than oil or gas.
Disadvantage- When burned coal gives off atmospheric pollutants, including greenhouse gases.

Renewable and Non-Renewable Resources
Renewable energy is the energy which is generated from natural sources i.e. sun, wind, rain, tides and can be generated again and again as and when required. They are available in plenty and by far most the cleanest sources of energy available on this planet. Non renewable energy comes in limited source like fossil fuels gasses e.t.c.
Nuclear:- Advantages- A small amount of radioactive produces a lot of energy. Raw materials are relatively cheap and can last quite a long time. It doesn't give off atmospheric pollutants.
Disadvantages -Nuclear reactors are expensive to run. Nuclear waste is highly toxic, and needs to be safely stored for hundreds or thousands of years (storage is extremely expensive). Leakage of nuclear materials can have a devastating impact on people and the environment. The worst nuclear reactor accident was at Chernobyl, Ukraine in 1986.
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