Fossil fuels
Non-renewable energy:
Renewable energy:
Nuclear energy
Geothermal energy
Wind energy:
Hydraulic energy:
Solar energy:
is the energy generated by the heat of the Earth's interior
is the energy generated by the sun.
is energy that comes from a source that won't run out. They are natural and self-replenishing, and usually have a low- or zero-carbon footprint.
is the energy generated by the wind.
Nuclear energy is the energy obtained from the nucleus of an atom.
comes from sources that will run out or won't be replenished in our lifetimes or even in many lifetimes.
are made from decomposing plants and animals.
is the energy generated by the movement of water.