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Latest News

ANSI Z133 Business Meeting

The next business meeting of the Accredited Standards Committee Z133 (ANSI Standard for Arboricultural Operations —Safety Requirements) will take place on Wednesday, April 19, 2017, at Hilton Baltimore BWI Airport (1739 West Nursery Road) in Baltimore, Maryland. For more information, contact Tricia Duzan at the International Society of Arboriculture, ASC Z133 Secretariat, by phone (+1 217.355.9411, ext. 216) or by emailing

March Arboriculture & Urban Forestry Online Now

Get the latest research at your finger tips. In this issue: Appraisal of Urban Trees, Economic Value of Tree Preservation, and Modules of Elasticity.

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.

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.

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!*

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.

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

February 9, 2017 - April 13, 2017

Arborist Certification Workshop

February 18, 2017 - April 8, 2017

Arborist Certification Workshops

February 21, 2017 - April 25, 2017

Arborist Certification Workshops

March 1, 2017 - May 3, 2017

Arborist Certification Workshops

March 27, 2017 - March 29, 2017

Tree Risk Assessment Qualification - Jurupa Valley, CA

March 28, 2017

Emergency Response and Aerial Rescue

March 28, 2017 - March 29, 2017

ArborMaster Tree Felling, Chainsaw Safety & Handling

March 28, 2017

Structural Planning Workshop

March 29, 2017 - March 30, 2017

Veteran Tree Care Workshop

March 29, 2017

Climbing Safetey Case Studies, Tree ID and Reception

March 30, 2017

Creating Wildlife Habitat Trees

March 30, 2017

Planting and Establishment with Grades and Standards for Nursery Plants

March 30, 2017 - April 1, 2017

ArborMaster Tree Climbing Methods, Work Positioning, & Best Practices

March 30, 2017

Fundamentals of Soil Science

March 31, 2017

Planting and Establishment with Grades and Standards for Nursery Plants

March 31, 2017

Chipper Operator Specialist

March 31, 2017

Caring for Mature Trees

March 31, 2017

Caring for Mature Trees

March 31, 2017

Tree Species Identification

April 1, 2017 - April 2, 2017

MAC- ISA Tree Climbing Championship

April 1, 2017

Adv. Trng Species Requirements Workshop

June 21, 2017 - June 25, 2017

2017 European Tree Climbing Championship

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

October 20, 2017 - October 22, 2017

2017 North American Tree Climbing Championship

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

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