The New ISA Credentialing Platform is Live!

The New ISA Credentialing Platform is Live!

Check out the modernized credential management system and adjusted pricing structure

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Register for the ISA 2025 Annual International Conference

Register for the ISA 2025 Annual International Conference

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Welcome Your 2025-2026 ISA Board Members

Welcome Your 2025-2026 ISA Board Members

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Keep up with ISA

ISA 2025 Annual International Conference in Christchurch, New Zealand 

We are excited to host the ISA 2025 Annual International Conference in Christchurch, New Zealand 20-22 October 2025.

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September 19-21, 2025

Brazilian Tree Climbing Competition

São Paulo, Brazil

September 19-20, 2025

Ontario Tree Climbing Championship

Kingston, Ontario Canada Lake Ontario Park

September 19, 2025

Ohio Chapter ISA Field Day

Centerville, OH United States City of Centerville

September 19, 2025

Advanced Tree Risk Assessment Workshop

Coquitlam, British Columbia Canada Mundy Park Field House

September 19, 2025

Risks To Our Urban Forests and Woodlands

, United States Webinar

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