National parks are extremely important. They are protected to safeguard the natural environment, natural habitat, wherein the local, indigenous species of animal, plants live, dwell, and thrive.
The survival of many endangered species is ensured by keeping them safe from hazards posed to them by human activity or harsh conditions created by humans.
National parks ensure sound, pollution-free environment, with no human intervention into poor cretaure's lives, and everything is controlled by the government which is a very good guarantee.