Szczepan Machnik
Szczepan Machnik voted up Chris Kervin's answer

Renewable Energy resources are those that will not run out, such as solar power, whereas non-renewable energy sources are those that only have a limited supply, such as fossil fuels. As a general rule, renewable energy sources are also sustainable, with no (or very little) carbon dioxide production, which is great for the environment.

Popular Renewable Energy Sources include:

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