The renewable energies are the energies who are of the nature and the humans know how to use them.
-Why do we have to use renewable energies?
We use it because the others make pollution and are limited,  but renewables no.
 The most important renewable energies are:

-BIOMASS ENERGY:
We take organic matter and we burn it. Then, the heat make some energy. The biomass energy was be the first renewable energy who knew humanity.

-WIND ENERGY
We've got a mil that uses the force of the wind and make energy with a generator.

-SOLAR ENERGY
The photovoltaic panels capture the sunshine and make energy.



The non-renewable energies are the energies are limited, for example the combustibles. This energies make a lot of pollution.