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

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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May 15-16, 2021


Heredia, Santa Bárbara, San Pedro Costa Rica SINAC

May 21, 2021

Arbor Chat Advancing Urban Forestry in the Pacific Northwest

Online via GoToWebinar, Live Broadcast and Discussion United States

June 2, 2021

WCISA - Technology for the Consultant, Climber, and Company - Presented on Zoom

Porterville, CA United States Presented on Zoom

June 3-24, 2021

Qualified Line Clearance Arborist (QLCA)

Virtual, United States Live Video Conferencing Training