US Forest Service: Invasive Species
The US Forest Service manages a vigorous health program aimed, in part, at assisting local and state government and private owners identify and manage tree pests and diseases. This site offers information on major threats and resources for dealing with them.
This report provides an in-depth analysis of progress on urban forestry and green infrastructure initiatives in Portland, OR. It outlines the goals and desired outcomes of the city’s Urban Forest Management Plan, the actions being taken to meet them, and key challenges that are hindering the process.
This tool provides an index of the most extreme temperatures, precipitation events, and droughts from around the country to aid planners and policy makers in the adaptation process.
This extensive list of the benefits of trees, grouped by category, was compiled by The Alliance for Community Trees. The information is backed by a wide range of research publications.
This site provides a comprehensive database of publications on urban forestry research from a wide range of organizations that are easily accessed using advanced browsing and search features. It was prepared by USFS, University of Minnesota and Urban Forestry South, and Tree Link and is regularly updated.