Energy sources

Energy sources are natural resources that we can use to generate different forms of energy. They can trannsform that energy for various purposes.

Non-renewable energy sources 
Non-renewable energy sources come from natural resource that are limites and can be exhausted.At the moment, the most commonly used energy sources are non-renewable.  They include fossils fuels (oil,coal and natural gas) and nuclear energy, which uses radioactive materials, such as uranium.

Renewable energy sources
Renewable energy sources come from natural resources thet we cannot use up completely. These include hydroelectric, solar, marine, geothermal an biomass resources, as well as energy that we can produce from solid urban waste.