Renewable energies are those that have sufficient capacity to regenerate at a higher rate than we consume them, which is why they are obtained from inexhaustible resources. As non-renewable energies are more easily depleted, more and more people are opting to use renewables, which have become vital for a more sustainable and planet-friendly society. In Green Ecologist we explain what are the most important renewable energies and most used today.
Solar energy is one of the most important and well-known renewable energies Worldwide. It is the energy that comes to us from the radiation of the Sun, which we can capture with solar panels and plates, and then transform it into the electricity we use or as thermal energy to heat a house or the water in it. It is one of the most used and fastest growing renewable energies today, as it is becoming easier to have it at home.
This is another of the most important and well-known renewables. It is obtained thanks to wind movement and we capture it through windmills or turbines placed at great heights: the wind moves the blades of the wind turbine and this movement is transmitted to a mechanism that allows electricity to be obtained. This is another of the renewable energies that has grown the most in recent years and continues to do so.
Without a doubt, this is the energy obtained from water better known, as there are others that come from this source but are obtained in different ways. The hydraulic energy it needs dams in which the water can circulate in the desired quantity and fall in a cascade to generate the force and movement that are used to produce electricity.
As we said before, thanks to renewable water resource, we can get electricity in different ways and tidal energy is what takes advantage of the movement that is given in the tides, when these increase and decrease.
This renewable energy from water is less known than the previous ones. It is about the one that makes use of the difference in salt concentration of the water used to generate electricity.
Another of the most important renewable energies is geothermal, which is extracted from the thermal energy of the Earth's interior. From it we get hot springs and also heat and electricity. It is not the best known and used throughout the world, but it is one of the most relevant in countries where these sources are available and the climate is cold.
The biomass energy it is another renewable that allows us to obtain heat and electricity. This is achieved thanks to the organic material that is usually burned and is a very important type of renewable energy because it allows the reuse of organic animal and vegetable waste that is generated at home, on farms, in forests and fields, etc.
Surely, you have heard of biogas, bioethanol or biodiesel, and you will hear more and more these names because they are the biofuels. These are a renewable energy which seeks to replace fuels obtained from fossil fuels. This energy that we convert into fuel for transport and machinery, we obtain from vegetables, such as corn, soybeans or sunflower.
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