Glossary of "Environmental Science: Earth as a Living Planet (2nd ed.)" by Botkin & Keller (1998)
- The practice and profession of planting and maintaining trees in cities, including trees in parks and other public areas. Involves determining the best species and sites for urban tree planting, taking into account climate, soil, shading from tall buildings, and motor vehicle pollution.
- 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.