The major part of the energy that is used nowadays comes from non-renewable sources meaning that these sources can not be recreated after they are used. When compared to these, green energy and renewable energy are seen as alternative energy used in an interchangeable manner. Green energy is not emiting carbon dioxide being also non polluting.
Other benefits that accompany the green energy are easily deduced, such as environment friendly, offering a great solution to the effects of global pollution and warming. Another beneficial aspect is shown by the availability to everyone; thus we meet private and organizational consumers buying green energy to use for their purposes.
The main examples of green energy are wind, solar power and waves. It goes without saying that these sources will not ever create or turn into polluting agents. We can also continue with other examples of sources to be used in green energy producing: biomass from the organic materials, hydro from water and solar from the sun power. These sources can not be other than environmental friendly, therefore safe.
The electricity is as such known as ‘green electricity’. Let’s take them one in a row:
- Wind energy – is the one to be used to produce electricity for the modern windmills. Wind turbines – the smaller type – are used to charge the batteries.
- Solar energy – This can be used in heating the buildings and the water. Through photovoltaic cells the light energy is turned into solar energy that will further be used as solar cookers good for drying, pasteurization and cooking as well. A device that uses solar energy is the thermal chimney – a ventilation system using the solar source in a passive way.
- Hydro energy – is an energy that derives from the river water which will run through turbines that are connected to generators producing electricity.
- Geothermal energy – it is harnessed from magma and hot rocks leading to hot bodies of water due to the geothermal processes. For instance, dry and hot springs are good examples of bodies of water.
- Tidal energy – is the green eenrguy source coming from earth rotation and gravitational pull between the sun and the earth.Tidal power can appear as a result of the formation of these tides. In the ancient times, tides were used to run the mills for grinding the corn grains. This is very useful for making breads along with other sorts of foods.
- Biomass – also known as bio energy that comes from trash, dry wood, sawdust, and other organic materials. These wastes are further incinerated releasing the heat that will be further used to give electricity. When waste is burried in a landfill it will release gas while decomposing and this gas is afterwards collected and utilized as energy.