To who does he refer in this passage

1 The traditional reasons for the development of parks and protected areas are wilderness protection, protection of cultural features, tourism and recreation, and sustainable use of resources. Preservation of species and genetic diversity have been added recently.

2. A sustainable agriculture is one that, over the long term, enhances environmental quality and the resource base on which agriculture depends; provides for basic human food and fiber needs; is economically viable; and enhances the quality of life for farmers and society as a whole."

3. Uninhabited and undeveloped lands provide natural resources that in turn provide the ecosystem services and the psychological relief needed to support urban populations.

Explanation:

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