Alternative Energy Sources for a Cleaner World

The search for "alternative energy sources" is a worldwide effort. There are many government bodies, universities and scientists around the world all working to find ways of replacing conventional fossil fuels with the newest green energy. Most people are in agreement that as the world slowly moves to depleting the Earth of its natural resources, we need to reduce our dependency on non-renewable sources of energy such as the common types of fossil fuels known as coal, petroleum oil and natural gas.

Alternative energies fill the gap between non-realistic free energy sources and the more traditional fossil fuels. Once upon a time nuclear energy was seen as the answer to our global energy problem. The huge amounts of energy that could be produced from a small amount of uranium was seen as the future way to power our planet as it produces a clean energy with no contribution to global warming. But as we know, like fossil fuels, uranium is also a finite natural resource that over time will run out.

Alternative Energy generally refers to any group of non-traditional fuel sources that do not burn fossil fuels or use up any natural resources that will result in damage or harm to the environment. In other words "Alternative Energy" is a cleaner and greener energy, well at least in theory.

Alternative energy sources provide many advantages and benefits over the use of the more traditional fossil fuels such as less pollution and cheaper fuel costs, but the downside is that these alternative energy sources are not always available when we need them as sometimes the wind does not blow or the sun does not shine. But with the aid of modern technologies available today can make full use of these alternatives when they are available. So let's take a look at some of the most common alternative energy sources and see how each one works.

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