Fossil fuels are an unsustainable and highly polluting source of energy. They are expected to run out in this century. Its lasting effects will however remain in the form of global warming causing extreme weather conditions around the world.
Nuclear power has been seen as a replacement however handling its toxic waste renders entire areas uninhabitable. Running such a plant is also very expensive and has a very high safety risk.
Solar and wind power are seen as sustainable replacements for fossil fuels as well as a cheaper and much safer alternative to nuclear power. Using the energy from the sun, solar panels are able to produce electricity with zero emissions, wind power much like solar power has zero emissions converting energy from the wind into electricity.
