Contact Us

Email us
Phone: +1.678.367.0981
Fax: +1.240.547.1795

Headquarters Address

International Society of Arboriculture
270 Peachtree Street NW
Suite 1900
Atlanta, GA 30303
United States

Mailing Address

International Society of Arboriculture
PO Box 191
Annapolis Junction, MD 20701
United States

Newsroom

Trees and the Law in Canada

Trees and the Law in Canada

Apr 21, 2020 Categories: ISA News

ISA offers a variety of educational materials to help arborists improve their arboricultural knowledge. Each week we will feature a product, or group of products that will enhance your arboriculture education. This week, ISA is featuring Trees and the Law in Canada. Written by Julian Dunster, one of Canada’s leading consulting arborists, this publication provides the reader with in-depth analysis of legal principles and case law, and shows how these affect practices in the field.

Read More

Improve your Arboricultural Knowledge with ISA

Improve your Arboricultural Knowledge with ISA

Apr 14, 2020 Categories: ISA News

ISA offers a variety of educational materials to help arborists improve their arboricultural knowledge. Each week we will feature a product, or group of products that will enhance your arboriculture education. This week, ISA is featuring the 2020 edition of The Glossary of Arboriculture Terms. This is the latest edition of ISA’s essential reference for arboricultural terminology which has been in print since the first edition in 2005.

Read More

ISA TCIA Joint Statement

ISA TCIA Joint Statement

Mar 18, 2020 Categories: Industry News, ISA News

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.”

Read More

Remembering de Gouret Litchfield

Remembering de Gouret Litchfield

Mar 18, 2020 Categories: Industry News, In the News, ISA News

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.

Read More

First16171921Last

Theme picker

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.