ISA TCIA Joint Statement

As some U.S. cities and local municipalities shift to “essential work only” quarantine measures, we have partnered with the Tree Care Industry Association (TCIA) to issue guidance to assist you in determining which types of tree care work should be considered “essential.”

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Remembering de Gouret Litchfield

It is with great sadness that we announce the de Gouret Litchfield, ISA Board of Directors past president, passed away. The entire ISA family mourns this loss. On behalf of our Board of Directors, management team and employees, we extend our deepest sympathies to Litchfield’s family and friends during this difficult time.

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Celebrating Women in Arboriculture

In honor of International Women’s Day (8 March 2020) and Women’s History Month, the International Society of Arboriculture (ISA) will feature stories about women in the arboriculture industry throughout the month to honor their contributions to the industry.

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Nomination Period is Open for the 2020 ISA Awards Program

The International Society of Arboriculture recognizes outstanding achievements in the arboricultural profession with the use of its awards program. Nominate your peers in the industry who have made excellent contributions to the arboriculture profession and the organization for the ISA Awards of Distinction and the ISA True Professionals of Arboriculture program.

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Image Database

ISA has a vast inventory of arboriculture- and urban forestry-related images that were compiled with the help of our members and volunteers.

Through a partnership with Forestry Images, ISA has thousands of photos and graphics available for use. ISA either owns the photos or has permission to permit their use.

Access the Image Database to browse the collection of images.

International Tree Climbing Championships

Press Releases

For inquiries about ISA news and media opportunities, contact our Communications Specialist.