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What we do

The Urban Natural Resources Institute (UNRI) is a science-based source for information and answers to questions on urban natural resources stewardship. A goal of the Institute is to strengthen public awareness of activities related to urban natural resources research and management. The Institute consists of Forest Service scientists, conducting science-based research on urban natural resource issues across the country.

How can we help you?

The Institute's scientific resources are available to you.
Ask a question of our researchers and we will work to get you the latest answers and solutions. You can also sign up for web- or podcasts. Follow the links on the left to access our services or find contact forms.

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UNRI News

  • i-Tree 5.0 Now Available for Download

    The i-Tree Team is excited to announce the release of i-Tree version 5.0! This latest upgrade to the i-Tree software suite introduces cutting-edge features and new enhancements based on user feedback and our continuing commitment to produce innovative and accessible urban forest assessment tools.
     Web-based data collection
    i-Tree v5.0 features a new web-based data collection system for [...]

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Northern Research Station
United States Department of Agriculture
USDA Forest Service

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