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Latest News

International Society of Arboriculture Announces Selection of New Executive Director

The ISA Board has selected Caitlyn Pollihan as the organization's new executive director. Learn more about Caitlyn and the expected transition timeline in the official news release from ISA.

May Issue of Arboriculture & Urban Forestry Now Online

Get the latest research in this month's issue. Learn about US National Elm Trial, Static Load-Bearing Capacity, and Selection of Tree Size for Appraisal Methods

The ISA Office Closed Monday, 29 May

The office will be closed and will reopen Tuesday, 30 June.

ISA Member Get a Member Referral Rewards Program

Bring a friend to ISA 1 February through 31 May 2017 to share the benefits of networking and professional development opportunities through ISA membership. When anyone you refer joins ISA as a Professional Member, you will earn rewards from ISA!*

ISA General Membership Election

From 15 April through 30 May 2017, ISA members will have the opportunity to vote by electronic ballot in an election to fill expiring positions on the ISA Board of Directors and the Nominating and Elections Committee. Watch for your electronic ballot.

Recall on STIHL gas-powered chain saws

The Consumer Product Safety Commission (CPSC) announced a recall of 100,000 STIHL chainsaws that are at risk of fire and burn hazards.

ITCC Update: Approval for use of ISC’s D4 & D5

ISA has issued a notice regarding approval for use of ISC's D4 & D5

Safety is Critical Requirement when Looking to Hire an Arborist for Tree Care

Tree work can be dangerous. The International Society of Arboriculture reminds consumers to choose professional arborists who are well-trained in safety and industry best practices.

Volunteer Registration for the 2017 ETCC

We are now taking volunteer registration for the 2017 ETCC in Deventer Netherlands. Volunteers must register by 28 May.

Volunter for the 2017 ITCC in DC

Sign up by 31 May to help out with the ITCC at the National Arboretum in Washington, DC.

Update: Mechanical Devices Approved for Stationary Rope Systems

In an effort to offer the latest in innovation for climbing equipment and techniques, ISA has clarified terms and approvals for stationary rope systems. Please view the complete update.
Upcoming Events

April 4, 2017 - June 6, 2017

Arborist Certification Workshops

May 29, 2017 - May 30, 2017

ACTE - Stationary Rope Technique

May 31, 2017 - June 1, 2017

ACTE - Emergency Readiness and High Angle Rescue

June 1, 2017 - June 4, 2017

Spain Tree Climbing Championship

June 2, 2017

26th Annual Desert Horticulture Conference

June 2, 2017 - June 3, 2017

New England Chapter ISA Master's Challenge Invitiational

June 3, 2017 - June 4, 2017

Italian Tree Climbing Championship

June 3, 2017 - June 4, 2017

Polish Tree Climbing Championship

June 3, 2017

Tree Diseases

June 3, 2017

Advanced Rigging Techniques

June 4, 2017

Chainsaw Skills for Women

June 5, 2017 - June 9, 2017

Advanced Course on Tree Biomechanics

June 5, 2017 - June 7, 2017

Tree Risk Assessment Qualification - Surrey, BC

June 5, 2017 - June 6, 2017

ArborMaster Tree Felling, Chainsaw Safety & Handling

June 5, 2017 - June 7, 2017

Trees Florida 2017 Conference and Trade Show

June 19, 2017 - June 21, 2017

Tree Risk Assessment Qualification - El Dorado Hills, CA

June 20, 2017 - June 22, 2017

Tree Risk Assessment Qualification - Durham, NC

June 21, 2017 - June 25, 2017

2017 European Tree Climbing Championship

June 26, 2017 - June 28, 2017

Tree Risk Assessment Qualification - Los Angeles, CA

July 28, 2017 - August 2, 2017

2017 ISA Annual International Conference & Trade Show with ITCC

July 28, 2017 - July 30, 2017

2017 International Tree Climbing Championship

August 21, 2017 - August 23, 2017

Tree Risk Assessment Qualification - Victoria, BC

October 20, 2017 - October 22, 2017

2017 North American Tree Climbing Championship

October 23, 2017 - October 25, 2017

Tree Risk Assessment Qualification - Dorval, Quebec

November 9, 2017 - November 11, 2017

Tree Risk Assessment Qualification - Philadelphia, PA

©International Society of Arboriculture 2009-2017
PO Box 3129 • Champaign, IL 61826, USA • +1.217.355.9411

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