- The document discusses the importance of preserving open spaces and vegetation in urban planning to balance environmental, social and economic needs. It notes trees and vegetation provide aesthetic, climatic and engineering benefits.
- It outlines various values and benefits of trees related to architecture, climate, site development and engineering like moderating temperatures, intercepting rainfall, stabilizing soils and reducing pollution. Trees also have economic and legal value by enhancing property values.
- Jurisdictions have enacted preservation ordinances to balance development with resource protection. Successful preservation must integrate into early planning stages rather than be retrofitted later. Proper protection of trees during construction is also important to prevent root damage.