Archives of Renewable Energy Sources

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Why are renewable energy sources underused?
Renewable energy sources are wind, solar, hydro and biomass, but despite being sustainable sources, their use still needs to be expanded. How is the use of renewable energy sources in Brazil and in the world? Historically, world energy production has always been based on fossil fuels, such as oil and coal. However, over the decades it was realized that these fuels were finite and that their use caused the greenhouse effect and aggravated global warming.