In our modern society we are dependent on energy and we therefore need energy sources that can produce electricity. Nature's own energy sources such as sun, wind and water are the most environmentally friendly energy sources! But we should not produce energy at the expense of Mother Earth's beautiful nature by building dams in waterfalls and rivers or building large windmill parks in the middle of beautiful natural gems.
To avoid interfering with nature, energy plants should be built on industrial or artificial islands at sea. But in many cases, the best solution is for each household to produce its own energy through solar cells on the roof. In Sweden, many municipalities, in cooperation with the power companies, offer to install solar cells on roofs almost free of charge in exchange for any surplus electricity that is produced being delivered to the power companies. If you live in your own house in the country, you can build your own power plant without spending a fortune using a combination of solar cells, wind power and possibly biogas or hydrogen.
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