Explain the difference between use and non-use value, with reference to a particular U.S.A. environmental policy in endangered species preservation.

Citing real world examples will be helpful in meeting the minimum 400 to 500 word length requirement.

Must be plagiarism free.

Below is one Reference that needs to be used along with at least 2 more.

Keohane and Olmstead, Markets and the Environment Chapter 3, 2007