International Tree CLimbing Championship Series

Latest News

Use of ISC’s Rope Wrench in European Competitions

ISA will accept only the new CE certified Rope Wrench (with proper markings on the equipment) in European climbing competitions, effective immediately. Read the details on this decision.

NATCC 2017 - ISA is Now AcceptingVolunteers.

Sign up by August 31 to help out in Salt Lake City.

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.

Information on Safety Test of SpiderJack 3

Please review the information on this recommended safety check.

The June Issue of the Arborist News Now Online

Read the latest issue. Be sure to check out the articles from conference speakers like keynote presenters John Gathright and Mark Buscaino.

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

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.

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.

Upcoming Events

July 28, 2017 - July 30, 2017

2017 International Tree Climbing Championship

October 20, 2017 - October 22, 2017

2017 North American Tree Climbing Championship

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