ISA Logo
About ISA  •  Find an Arborist  •  Newsroom  •  Job Bank  •  Contact Us  •  LOGIN
Join ISA
I Am A

Tree Owner


ISA Member

Planner or Developer

One Tree Program

Distinguished Partners

Bartlett Tree Experts Davey Husqvarna

Honored Partners

Latest News

Congratulations 2015 ITCC Champions James Earhart and Jamilee Kempton

Get the complete preliminary events scores and list of event winners.

ISA Introduces new podcast - Tree Workers' Tips, Tricks, & Troubles

ISA is seeking content from arborists. Send us your videos from the field. Read more about it.

Next Z133 Committee Meeting – April 22, 2015

The next business meeting of the Accredited Standards Committee Z133 (ANSI Standard for Arboricultural Operations —Safety Requirements) will take place in Baltimore, Maryland.

2015 ITCC Competitor List

Check it out to see who will be competing in Tampa.

2015 ETCC - 4-5 July, Monza, Italy

Volunteer online now. Deadline to volunteer is 1 June.

ISA Online Learning Center offers improved functionality.

ISA has streamlined the Online Learning Center (OLC) for improved functionality and accessibility. Read more about the benefits of using the OLC.

2015 ITCC Rules Now Available

The 2015 revisions for the ITCC rules are now complete. The current copy of the rules are posted online.

Update on Specifications for Using the Rope Wrench at ISA TCCs

After receiving updated documentation, ISA now allows for the Rope Wrench RP280 to be used in all configurations as indicated in the User Manual. Please read entire notification.
Upcoming Events

March 30, 2015 - April 1, 2015

Tree Risk Assessment Qualification - Bloomington, MN

April 2, 2015 - April 4, 2015

Tree Risk Assessment Qualification - Milwaukee, WI

April 2, 2015 - April 4, 2015

CaUFC - From Urban Wood to Final Form

April 2, 2015

Master Pruner Series: Shearables, Hackables, Untouchables, and Rehabilatative Pruning

April 3, 2015 - April 5, 2015

Malaysia Tree Climbing Championship 2015

April 7, 2015 - April 8, 2015

ArborMaster Precision Tree Felling, Chain saw Safety & Handling

April 8, 2015 - April 10, 2015

Introductory Tree Climbing

July 4, 2015 - July 5, 2015

2015 European Tree Climbing Championship

July 25, 2015 - July 26, 2015

2015 Asia Pacific Tree Climbing Championship (APTCC)

August 8, 2015 - August 12, 2015

ISA Annual International Conference and Trade Show

©International Society of Arboriculture 2009-2015
PO Box 3129 • Champaign, IL 61826, USA • +1.217.355.9411

Email comments and questions to ISA
Wednesday, April 01, 2015 1:03:57 PM (CST/ISA Headquarters Time)
Please click here to view our privacy policy.