Renewable Energy by Alexis Kenne
Non renewable energy sources are not effective cost far more than they offer in benefits. Fossil fuels formation is very long process that occurs over thousands of years the reserves left in the earth are running out. Developing countries including China India are requiring more energy oil this means what fossil fuel reserves are left will soon be gone. Because of the time fossil fuel formation takes in the earth it can not be renewed for thousands of years
There are many hot discussions about pros cons of nuclear power there are many critics proponents for this form of energy. No matter how safe these operations are handled barring any nuclear accident which is almost impossible to do radioactive waste is created which will be dangerous for hundreds or even thousands of years. This leaves a toxic legacy for future generations to clean up. Nuclear power is very risky can have disastrous consequences when something goes wrong. Incidents like Chernobyl Three Mile Island have made many wary of allowing a nuclear power plant anywhere near their city. When all pros cons are taken into consideration anything as deadly as nuclear energy should probably not be used. This energy is not renewable either because there is limited amount of Uranium in the earth so when this is depleted then it gone completely.
The first problem is that our dependence on energy continues to grow. As the size of the population increases we are using more of our depleted natural reserves of fuel every single day. People today live longer due to advances in medicine health care we are a society dependent upon our electronic gadgets as well.
The second of the top three renewable energy sources is wind energy. The wind is air movement that happens when warm air ascends cooler air dashes in replacing it. The energy of wind has been a centuries old tool for sailing ships driving windmills to grind up grain. Currently wind energy is used to generate electricity via wind turbines.
Wave power is the transport of energy by ocean surface waves the capture of that energy to do useful work " for example for electricity generation water desalination or the pumping of water into reservoirs . Wave energy can be difficult to harness due to the unpredictability of the ocean wave direction. Wave farms have been created are in use in Europe using floating Pelamis Wave Energy converters.
Computers electronic tools are now a huge part of our lives at home at work. It is impractical to suggest we stop using the electricity that is necessary to allow them to function. While our technological advances are in the main good things the fact that we are using up our natural resources should be of concern to all. Fossil fuels are not a type of energy resource that we will be able to replace. When this resource is gone it gone forever that is the reality of the situation.
Geothermal energy is very powerful efficient way to extract a renewable energy form earth through natural processes. This can be performed on a small scale to provide heat for a residential unit a geothermal heat pump or on a very large scale for energy production through a geothermal power plant.
Compressed Natural Gas CNG is fossil fuel substitute for gasoline diesel or propane fuel. Although its combustion does produce greenhouse gases it more environmentally clean alternative to those fuels it much safer than other fuels in the event of a spill natural gas is lighter than air disperses quickly when released .
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