Apresentação Essencial

Renewable energies

Essential Presentation

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What's renewable energy ?

Renewable energies are energy sources obtained from natural resources, such as the sun and wind, wich have the capacity to be continually renewed at a higher rate than they are consumed.

Geothermal Energy

Types of renewable energies

Solar Energy

Tidal Energie

Wind Power

Biomass

Hidroelectric

Types of Renewable Energies

Solar energy

Solar tecnologies convert sunlight into electrical energy throught photovoltaic panels. Solar energy is the most abundat of all energy sources and can even be harnessed in cloudy weather.

Wind Power

Wind energy harnesses the kinetic energy of moving air by using large wind turbines located on land (onshore) or in sea or freshly water (offshore).

Hidroelectric

It's generated from the movement of water, usually in large dams on rivers, whose movement drives turbines that will generate electricity.

Advantages of Renewable Energies

Sustainability

Environmental benefits

Economic benefits

Energy Independence

Disadvantages of Renewable energies

Initial investment

Intermittency

Environmental impact

Energy storage

Energy is at the heart of the climate challenge and key to the solution. Fossil fuels are by far the largest contributor to global climate change. The science is clear: to avoid the worst impacts of climate change, emissions need to reduce. To achieve this, we need to end our relliance on fossil fuels and invest in renewable sources of energy, that are clean, acessible, affordable, sustainable and reliable.

Conclusion

ANTÓNIO GUTERRES, United Nations Secretary-General

" It's time to stop burning our planet, and start investing in the abundant renewable energy all around us. "

https://eco.sapo.pt/2023/01/27/portugal-foi-o-quarto-pais-onde-se-consumiu-mais-eletricidade-proveniente-de-fontes-renovaveis/ https://www.portal-energia.com/vantagens-e-desvantagens-das-energhias-renovaveis/ https://goldenergy.pt/blog.energia-verde/tipos-de-energia-renovavel/ https://www.todaamateria.com.br/fontes-de-energia/

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