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Individual Highlight

i-Tree grows to more than 180,000 users in 130 countries

Photo of i-Tree user distribution by country. i-Tree user distribution by country. Snapshot : i-Tree is a series of freely available tools that aid people in quantifying the benefits and values derived from trees and forests and in understanding local threats to forest health. Use of these tools continues to grow globally to aid in using trees to improve local environments and human health.

Principal Investigators(s) :
Nowak, David J.  
Research Location : Syracuse, NY
Research Station : Northern Research Station (NRS)
Year : 2017
Highlight ID : 1219


i-Tree is a suite of tools that engages people across the globe in sustaining healthy trees and forests. The tools have more than 180,000 users in 130 countries, with over 160,000 users in the United States. i-Tree provides an easy means to assess local forests and understand the benefits and values of trees, as well as various threats that may reduce forest health in the coming years. The tools ( engage users from all walks of life in both urban and rural areas to better understand the value of forests, facilitate environmental education and environmental justice, and promote sound natural resources stewardship. i-Tree use has grown tremendously in the last few years through public-private collaboration. A variety of new tools have been added to the i-Tree suite. i-Tree Landscape is a map-based web-tool that determines areas to prioritize tree planting or protection efforts to improve forest and human health. i-Tree Database is a web-portal that allows international users to submit local environmental information so they can run i-Tree Eco for their city. MyTree is a mobile phone app to quickly assess the benefits of individual trees. By understanding the value of trees across the globe, better management decisions can be made to sustain environmental quality and human health.

Forest Service Partners

External Partners

  • S&PF
  • Arbor Day Foundation
  • Casey Trees
  • Davey Institute
  • International Society of Arboriculture
  • Society of Municipal Arborists

Program Areas