Tool Library
A curated index of digital tools and apps for urban forestry
Measure your urban forestry program against best practices and set goals for improvement.
A closer look at how urban forests can help manage stormwater flows and pollution levels
Healthy Trees Healthy Cities (HTHC) is an urban tree health monitoring initiative developed by The Nature Conservancy and USDA Forest Service and supported by a suite of tools, including a mobile app, webpage, and a series of training videos. HTHC enables tracking stewardship and care, conducting non-stressor specific evaluations of tree health, and detecting and tracking insects and diseases, and the data can be aggregated and compared nationwide.