Showing the world the benefits of trees

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

Read More

Keep up with ISA

2020 Awards of Distinction and True Professionals

Nominate the best professionals in the arboriculture industry by 8 March 2020. Submit your nomination.

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

February 28, 2020

Electrical Hazard Awareness Training with Dr. John Ball

Pompano Beach, FL United States Emma Lou Olson Civic Center

February 29, 2020

SRP Electrical Safety Workshop

Tempe, AZ United States PERA Training and Conference Center

March 3-4, 2020

Beds and Borders Seminar

New Brunswick, New Jersey United States Extension Conference Center

March 6, 2020

Outdoor Tree School

Kissimmee, FL United States UF-IFAS Osceola County Extension

March 9, 2020

ISA Tree Risk Assessment Qualification Renewal Course-Louisville, KY

Louisville, Kentucky United States Watson-Powell Community Center