Write a 300 word minimum answer to the questions below. Must be plagiarism free Please use

Write a 300 word minimum answer to the questions below.
Must be plagiarism free
Please use the reference below along with one other scholarly reference:
Tietenberg, Tom, and Lynne Lewis.
Environmental Economics: the Essentials, Chpt 4, Taylor & Francis Group, 2019.
In Chapter 4, Tietenberg & Lewis outline various ways in which economists can put a value on the environment.
What concept do economists use to measure value?
Do you think its right to put a value on nature?
Is there a downside to not putting a value on the environment?