This document discusses the importance of trees and several programs that evaluate them. It summarizes:
- The Why Trees Matter program run by Ohio State University Extension which evaluates street trees in Ohio communities and trains master gardeners. Their Ohio Street Tree Evaluation Project has studied trees at over 140 sites since the 1960s.
- The i-Tree software developed by the US Forest Service to determine the environmental services provided by trees like carbon sequestration, stormwater management, and increased property values. Case studies show trees in Minneapolis providing over $23 million in benefits annually.
- New York City's tree census efforts which documented $122 million in annual benefits from its urban forest, leading to an increased tree budget from