Glossary of "Environmental Science: Earth as a Living Planet (2nd ed.)" by Botkin & Keller (1998)
- With respect to resources such as energy refers to changing our patterns of use or simply getting by with less demand. In a pragmatic sense the term means adjusting our needs to minimize the use of a particular resource, such as energy.
- Botkin, D. B. & Keller, E. A. 1998. Environmental Science: Earth as a Living Planet, 2nd ed. -xxxxii + 649 pp. John Wiley & Sons, Inc., New York.