Renewable resources of energy are sources of power that can be replenished naturally and do not deplete thr earth's resources. Some of these are  solar energy that is harvested from sun, wind energy which is generated by wind turbines, hydropower which is produced by capturing the energy of moving water, biomass energy which is created from organic materials like plant and animal waste and tidal energy which is generated from movement of tides.

On the other hand the sources of energy that are finite in quantity and cannot be  replenished on a human timescale once they are consumed are not the sources of renewable sources like fossil fuels and nuclear energy.