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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Keep up with ISA

2023 Awards of Distinction and True Professionals

The nomination period for the 2023 Awards of Distinction and True Professionals will be opening soon.


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December 7, 2022

WCISA - Urban Deforestation: What Do We Know & What Can We Do? - Presented on Zoom

Porterville, CA United States Online Event

December 8-9, 2022

Hands On Course: Introduction to Climbing

Austell, GA United States Private Residence

December 8, 2022

Woody Plant Diseases and Pests in our Changing Landscape

Philadelphia, PA United States Morris Arboretum of the University of Pennsylvania

December 11-12, 2022

NCCER Crane Certification Class

Flemington, NJ United States NJ Crane Expert

December 13-14, 2022

ISA Virtual Conference

, United States