What are renewable energies and why are they important?

Renewable energies are those obtained from inexhaustible natural sources, such as the sun, wind, water or biomass. These energies are clean, as they do not emit greenhouse gases or pollute the environment. They are also cheaper and generate more jobs than non-renewable energies such as coal, oil or gas.

Some examples of renewable energies are:

- Solar energy: Solar energy is produced by converting sunlight into electricity or heat using photovoltaic panels or solar collectors. It can be used to light, heat or cool buildings, or to power electronic devices.

- Wind energy: Wind energy is produced by harnessing the power of the wind to move the blades of wind turbines, which generate electricity. It can be used to supply rural areas, islands or electricity grids.

- Hydroelectric power: Produced by using the potential and kinetic energy of moving water, such as rivers, waterfalls or tides, to drive hydraulic turbines, which generate electricity. It can be used to regulate electricity supply and river flow.

- Geothermal energy: Geothermal energy is produced by extracting heat from the earth's interior, using wells or heat pumps, and using it to generate electricity or heat. It can be used to heat buildings, greenhouses or swimming pools.

- Biomass energy: Biomass energy is produced by burning organic matter of plant or animal origin, such as wood, agricultural waste or biogas, and using the heat to generate electricity or fuel. It can be used for cooking, heating or transport.

These are some of the most common renewable energies, but there are others, such as tidal energy, wave energy or wave power.

sources:

Solar Photovoltaic and Wind Energy, Renewable Energies. Greenongrid.com. Retrieved February 11, 2024, from http://www.greenongrid.com/.

CER (2018, November 28). CER; Comercializadora de Energías Renovables - CER. https://cerenovables.com/.

Words: renewable energy, solar energy, wind energy, hydropower, geothermal energy, biomass energy, energy sources, environment, climate change, sustainability, savings, employment.

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