Sun, Wind And Water: Clean Renewable Energy

Energy is a critical resource required in order to provide the needed power to sustain the economies of the world and the personal needs of families. Examples of sources of energy include the burning of coal and oil, nuclear energy, electricity from dams, etc.

However, with the ever grow population of the world and the corresponding increase of energy needs, there is a concern about global warming and corresponding challenge of meeting the energy needs.

Subsequently, a critical solution is the discovery and development of clean renewable energy. Therefore, it is important to understand what clean renewable energy is and examples of these types of energy sources.

Definition Of Clean Renewable Energy

Clean renewable energy is defined as energy that is created and produced in which there is no release of harmful emissions or toxins into the Earth's atmosphere. Additionally, by definition, clean energy is renewable energy. In others words a power sources that, when utilized, does not deplete the limited natural resources of the planet.

Currently, the bulk of the world's energy supply is being obtained through fossil fuel. Examples of this fossil fuel could include oil and coal. These types of fuel sources are not considered clean because when they are burned there are various harmful by-products released into the atmosphere. Some of these by-products include carbon monoxide and other greenhouse gases which upset the delicate balance of the environment and cause the earth's temperature to increase.

Examples Of Clean Renewable Energy

There are a variety of clean renewable energy sources that are currently being harnessed for power. Specifically, two of those clean renewable energy sources include the Sun's powerful rays and the ever blowing winds that sweep over the planet's surface.

In regards to the Sun, the powerful daily light from the Sun can be captured through solar panels and converted to electrical power. In addition, the constant wind, in some geographical locations, can actually turn large propeller like devices which in turn, through their rotation, turn a generator which can ultimately generate electricity.

Additionally, there are clean renewable energy sources that are being tested as potential power sources. One prime example of this developing technology is the ocean and more specifically the ocean's waves. Ongoing research to find new sources of clean renewable energy finds researchers installing devices on the ocean's floor to capture the constant movement of the ocean. This movement, in turn, moves generator type of devices which ultimately creates electric power.

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Hydro Water Power

Hydro Water Power

Energy in water (in the form of kinetic energy, temperature differences or salinity gradients) can be harnessed and used. Since water is about 800 times denser than air,
even a slow flowing stream of water, or moderate sea swell, can yield considerable amounts of energy.

There are many forms of water energy:

Hydroelectric energy is a term usually reserved for large-scale hydroelectric dams. Examples are the Grand Coulee Dam in Washington State and the Akosombo Dam in Ghana. Micro hydro systems are hydroelectric power installations that typically produce up to 100 kW of power. They are often used in water rich areas as a Remote Area Power Supply (RAPS). There are many of these installations around the world, including several delivering around 50 kW in the Solomon Islands. Damless hydro systems derive Read more

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