The term sustainable living is often referred to as which of the following?

A. green living

B. active lifestyle

C. healthy lifestyle

D. meat-free living

Answer: A. green living

Explanation:

Sustainable living is the attempt to reduce the use of natural resources like fossil fuels, forests, and others by the human society so that these resources remain available for future generation. It is associated with maintaining the balance in the ecological, economical and societal needs to lead a healthy lifestyle. As it mainly emphasizes over the protection of the environment then it is also called as green living.

I would say C. That kind of phrase is used more often than others.