Alternative Energy Sources

The term 'alternative energy' is commonly used to refer to all the types of energy that can be used instead of the most traditional ones, as oil, coal, nuclear and so on. Although it is not necessarily true and it's not written anywhere, it is commonly accepted that alternative energy is also used as synonym of green and renewable energy. Therefore, if you find a new and never used before source of energy but to use it you must pollute the environment or harm people, this would not be not

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