4 words in this vocabulary list
noun the action of conserving something, such as wildlife or energy
verb to protect (something) from harm or destruction
noun the surroundings or conditions in which a person, animal, or plant lives or operates
adjective Capable of being decomposed by bacteria or other living organisms into organic matter.
noun a person or household that is not connected to the main electricity grid
adjective describing something that is not connected to the main electricity grid