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

Nominations will be available soon, learn more about the awards.

2020 ISA Conference Call for Presentations

The International Society of Arboriculture will be accepting presentation submissions for the 2020 ISA Annual International Conference & Trade Show in the coming weeks. Check back for further details.

ISA Expands Certification Eligibility Requirements

ISA has announced expanded eligibility criteria for the ISA Certified Arborist® certification recognizing assessment-based programs to fulfill the education requirements to take the exam.

Upcoming Events

October 18, 2019

Ground Skills & Aerial Support

Marietta, GA United States Vermeer Southeast - Marietta

October 18, 2019

Trees and the Law Series: Documenting Evidence

Kissimmee, FL United States UF-IFAS Osceola County Extension

October 18, 2019

Tree Canopy Conference

Haverford, PA United States Haverford College, Stokes Hall

October 19, 2019

The Kentucky Tree Climbing Championship ( KYTCC)

Lexington, Kentucky United States Univeristy of Kentucky Gatton Student Center

October 21-22, 2019

ACTE - Hazard and Danger Tree Cutting and Falling

Vancouver, British Columbia Canada