Answer: RENEWABLE

AnswerCrossword Clue
RENEWABLELike wind energy
RENEWABLELike solar energy
RENEWABLELike most library books
RENEWABLELike wind and solar energy
renewable(of energy or its source) Not permanently depleted when used
renewablecapable of being renewed / a renewable resource
renewableCapable of being renewed