A renewable energy resource is technically sustainable energy. Alternative energy is an energy source that has an indefinite amount of energy source that does not run out, unlike the non-sustainable sources like coal.
On the other hand, low-energy or zero-carbon energy is nuclear generated energy that is not renewable. It emits zero or low levels of CO2 and is not dependant on the weather.
The most common and widely developed renewable energy sources are solar energy, tidal energy, wind energy, geothermal energy, hydro energy, and biomass energy. Apart from being sustainable, these energy resources emit little to no carbon, …