Renewable resources are natural resources which have an unlimited supply of resources and renew again and again in just a few years.
Renewable resources can be used again and again, and will never run out. and renewable resources can replace the traditional source of energy such as fossil fuels.
These are some Renewable source of energy such as:
Aurora, luminous phenomenon of Earth's upper atmosphere that occurs primarily in high latitudes of both hemispheres; auroras in the Northern Hemisphere are called aurora borealis, aurora polaris, or northern lights, and in the Southern Hemisphere aurora australis, or southern lights.