Showing the world the benefits of trees

We promote the professional practice of arboriculture to foster a greater awareness of the benefits of trees.

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2020 Awards of Distinction and True Professionals

The nomination period is closedThe 2020 award winners will be annouced at the ISA Annual International Conference and Trade Show.


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March 3, 2021

WCISA - Using the 10th edition of the Guide for Plant Appraisal - Webinar

Porterville, CA United States Presented on Zoom

March 10, 2021

Beyond Pretty: The True Value of Improved Green Spaces

, NC United States Online

March 11, 2021

Rutgers Hazardous Tree Identification Online Course

, United States Rutgers Online

March 23-24, 2021

2021 Shade Tree Short Course

, United States Online via Zoom

March 23 - April 13, 2021

OSHA 30-Hour General Industry for Arborists and Utility Forestry Professional - 4-Day Course

Virtual, United States Live Video Conferencing Training