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Monday 8am - 5pm Tuesday 8am - 5pm Wednesday 8am - 5pm Thursday 8am - 5pm Friday 8am - 5pm

International Society of Arboriculture

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International Society of Arboriculture

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The International Society of Arboriculture is a worldwide professional organization dedicated to fostering appreciation for trees and to promoting the professional practice of arboriculture.

06/23/2026

The latest issue of Tree-sources is out now!

The ISA Literature Review Grant Request for proposals is now open. The ISA Science and Research Committee (SRC) is continuing the series this year with a literature review award of up to $10,000 USD. Proposals will be accepted until 17 August.

For more information visit: https://ow.ly/knNE50Zem7J

06/22/2026

ISA After Hours offers attendees the chance to connect, unwind, and experience all has to offer outside of sessions alongside industry professionals from around the world.

Join us on 10 August from 7pm - 10pm for Trivia Night with the TREE Fund! Gather your team for an evening of friendly competition, great conversation, and plenty of fun.

For more information visit: https://ow.ly/bwaH50Zekno

06/19/2026

Around the world, climbing arborists promote professional arboriculture and climbing safety through their involvement in tree climbing championships. The ISA Climbing Arborist Spotlight gives tree climbers a chance to share their stories, recognize their achievements, and provide insights into the industry.

Meet Ollie Chen, an ISA Certified Arborist® and member of the ISA New Zealand Chapter. Originally from Taiwan, Ollie moved to New Zealand in 2022 where she became even more immersed in the arboriculture profession.

To read the rest of her story visit: https://ow.ly/8EO350ZcTHC

06/17/2026

The June issue of ISA Today is out now! Be a part of ITCC history and celebrate our 50th anniversary milestone as a volunteer. To read this story, Z133-2026, and other featured stories, visit https://ow.ly/8FSz50Zcslx

06/15/2026

Standard rates for the ISA 2026 Annual International Conference end 5 August! Join us in Detroit, Michigan, 10 - 12 August and hear from industry experts from around the world.

Click the link to learn more about conference and secure your spot today: https://ow.ly/S1Pa50ZbVwa

06/12/2026

Join us as we head to Detroit, Michigan 10-12 August for our ISA 2026 Annual Conference! Visit our conference page for more information about our pre-conference workshops and Detroit tourism. Click here to learn more: https://ow.ly/2gBM50ZaHf5

06/09/2026

The latest issue of Tree-sources is out now!

ISA is proud to announce that the American National Standards Institute (ANSI) has approved the new ANSI Z133-2026: Safety and Health Requirements for Arboricultural Operations and the publication is now available through the ISA Store.

To read more visit: https://ow.ly/VCNz50Z91e8

To shop the Z133 Standard visit https://ow.ly/1i8o50Z91e9

06/08/2026

Delta Air Lines and AirCanada are offering flight discounts for the ISA 2026 Annual International Conference!

Whether you're joining us from across the country or around the world, take advantage of these special rates and make your trip to Detroit even more affordable.

For more information on these exclusive rates visit: https://ow.ly/U8M350Z8ZuM

06/05/2026

Be a part of history at the 50th International Tree Climbing Championship!

The 50th ITCC is headed back to where it all started in St. Louis, Missouri, 9–11 October 2026, and we’re looking for volunteers.

This year not only celebrates 50 years of tree climbing but also marks 25 years of women competing in ISA Tree Climbing Championships. Whether you're a seasoned TCC volunteer, or joining us for the first time, there's a place for you!

Learn more about event details and volunteer registration: https://ow.ly/n6fN50Z8bJl

06/03/2026

Get ready for an incredible learning experience at the ISA Annual International Conference, taking place 10–12 August in Detroit, Michigan, US!

This year’s conference features more than 40 educational sessions, giving attendees the opportunity to explore the latest industry insights, discover new ideas, and learn from industry experts.

Explore the full list of educational sessions: https://ow.ly/M8l150Z76vm

Register for the conference today: https://ow.ly/Lu9G50Z76vr

Address

270 Peachtree Street NW, Suite 1900
Atlanta, GA
30303

Opening Hours

Monday	8am - 5pm
Tuesday	8am - 5pm
Wednesday	8am - 5pm
Thursday	8am - 5pm
Friday	8am - 5pm

Telephone

+16783670981

Website

http://www.isa-arbor.com/

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