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Latest News

July Arboriculture & Urban Forestry Live Online

Read the latest issue today.

Z133 Accredited Standards Committee

APPLICATION OPEN FROM JUNE 14 - AUGUST 11, 2017 (NO LATE APPLICATIONS WILL BE ACCEPTED) Membership on the Z133 committee or one of its task groups is generally by an organization, such as a trade association, technical association, business, labor organization, or similar entity that represents more than one individual. Individuals with particular expertise in the activities of the committee may be also considered for membership. Membership on the committee, or one of its task groups, is subject to review and approval by the secretariat, the International Society of Arboriculture (ISA).

Results of the ISA Board of Directors Elections

View the results. The terms for these elected positions will begin in August 2017 in conjunction with the ISA Annual International Conference and Trade Show in Washington, DC, and will end in August 2020.

Member Get A Member - Thank you to all who participated

View the list of ISA members who helped us successfully recruit 176 new members.

ISA Heading to DC

The word is out, don't miss out on being a part of this event.

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.

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

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

2017 ITCC Rules Available Online

The revisions for the 2017 ITCC rules are now available on line. These rules take effect as of the ITCC being held 28-30 July. Email questions to itcc@isa-arbor.com

Volunteer Now for the 2017 APTCC

Sign up on line to volunteer for the 2017 APTCC in Perth, Australia on October 21-22

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

July 27, 2017

Summer Pruning of Trees and Shrubs

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

July 31, 2017 - August 2, 2017

Invasion Biology: Paths to Conservation and Restoration Success

August 2, 2017 - August 4, 2017

Tree Risk Assessment Qualification - St Paul, MN

August 7, 2017 - August 9, 2017

Tree Risk Assessment Qualification - Folsom, CA

August 21, 2017 - August 23, 2017

Tree Risk Assessment Qualification - Victoria, BC

August 23, 2017 - August 25, 2017

Tree Risk Assessment Qualification - Des Moines, IA

August 23, 2017 - August 25, 2017

Tree Risk Assessment Qualification - Dover, DE

August 24, 2017 - August 26, 2017

Tree Risk Assessment Qualification - Leawood, KS

September 6, 2017 - September 8, 2017

Tree Risk Assessment Qualification - Charlotte, NC

September 11, 2017 - September 13, 2017

Tree Risk Assessment Qualification - Stockholm, Sweden

September 13, 2017 - September 15, 2017

Tree Risk Assessment Qualification - Madison, WI

September 20, 2017 - September 22, 2017

Tree Risk Assessment Qualification - Santa Rosa, CA

September 21, 2017 - September 23, 2017

Tree Risk Assessment Qualification - Springfield, MO

September 25, 2017 - September 27, 2017

Tree Risk Assessment Qualification - Vista, CA

September 25, 2017 - September 27, 2017

Tree Risk Assessment Qualification - SINGAPORE

October 4, 2017 - October 6, 2017

Tree Risk Assessment Qualification - Whitchurch-Stouffville, Ontario

October 10, 2017

Tree Risk Assessment Qualification Renewal Course - Davie, FL

October 11, 2017 - October 13, 2017

Tree Risk Assessment Qualification - Davie, FL

October 11, 2017 - October 13, 2017

Tree Risk Assessment Qualification - Auckland, New Zealand

October 20, 2017 - October 22, 2017

2017 North American Tree Climbing Championship

October 21, 2017 - October 22, 2017

2107 Asia Pacific Tree Climbing Championship

October 23, 2017 - October 25, 2017

Tree Risk Assessment Qualification - Dorval, Quebec

November 1, 2017 - November 3, 2017

Tree Risk Assessment Qualification - Seattle, WA

November 6, 2017 - November 8, 2017

Tree Risk Assessment Qualification - Liverpool, NY

November 9, 2017 - November 11, 2017

Tree Risk Assessment Qualification - Philadelphia, PA

November 16, 2017 - November 18, 2017

Tree Risk Assessment Qualification - Oyster Bay, NY

November 28, 2017 - November 30, 2017

Tree Risk Assessment Qualification - Surrey, BC

December 6, 2017 - December 8, 2017

Tree Risk Assessment Qualification - Oregon City, OR

January 10, 2018 - January 12, 2018

Tree Risk Assessment Qualification - Surrey, BC

February 5, 2018 - February 7, 2018

Tree Risk Assessment Qualification - Seattle, WA

March 7, 2018 - March 9, 2018

Tree Risk Assessment Qualification - Surrey, BC

March 26, 2018 - March 28, 2018

Tree Risk Assessment Qualification - Oregon City, OR

April 16, 2018 - April 18, 2018

Tree Risk Assessment Qualification - Seattle, WA

June 11, 2018 - June 13, 2018

Tree Risk Assessment Qualification - Seattle, WA

June 18, 2018 - June 20, 2018

Tree Risk Assessment Qualification - Oregon City, OR

June 20, 2018 - June 22, 2018

Tree Risk Assessment Qualification - Surrey, BC

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