how the the usvi’s national park kept the island of st. john beautiful?

i live in st. thomas usvi and i am doing an essay on how the virgin islands national park has kept the island beautiful…..please help

Two thirds of St. John is a U.S. National Park.
The Friends of Virgin Islands National Park is dedicated to the protection and preservation of the natural and cultural resources of Virgin Islands National Park and promotes the responsible enjoyment of this unique national treasure.
The Friends of Virgin Islands National Park is dedicated to the protection and preservation of the natural and cultural resources of Virgin Islands National Park and promotes the responsible enjoyment of this unique national treasure.
The Friends of Virgin Islands National Park is dedicated to the protection and preservation of the natural and cultural resources of Virgin Islands National Park and promotes the responsible enjoyment of this unique national treasure.
Visit their website.