Utilitarian Justification: Sees some aspect of the environment as valuable because it benefits individuals economically or is directly necessary to human survival.
Ecological Justification: An ecosystem is necessary for the survival of some species of interest to us, or that the system itself provides some benefit.
Aesthetic Justification: Our appreciation of the beauty of nature. We save nature because it makes us feel good to see it.
Recreational Justification: People use the wilderness for recreation.
Inspirational Justification: Conservation of nature can be based on its benefits to the human spirit.
Creative Justification: Nature is an aid for human creativity
Moral Justification: Has to do with the belief that various aspects of the environment have a right to exist and that is our moral obligation to allow them to continue or help them to persist.