Register for the ISA 2024 Annual International Conference

Register for the ISA 2024 Annual International Conference

We invite you to join us as we celebrate 100 years of professional growth and honor the contributions of our members and credential holders.

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Read Arboriculture and Urban Forestry

Read Arboriculture and Urban Forestry

Now Open Access

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Check out Climbers' Edge

Check out Climbers' Edge

We’re thrilled to deliver the latest stories, TCC updates, and safety tips to our International Tree Climbing Community.

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Keep up with ISA

ISA 2024 Annual International Conference in Atlanta, GA, US

We are excited to host the ISA 2024 Annual International Conference in Atlanta, GA, US 12 - 14 August 2024.

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July 18-19, 2024

ArborMaster L1 Precision Tree Felling, Chain Saw Safety & Handling

Asheville, NC United States The Biltmore

July 18, 2024

Aerial Rescue

Loveland, Colorado United States Dwayne Webster Veteran's Park

July 19, 2024

Knuckleboom Crane Operations Class

Loveland, Colorado United States

July 26, 2024

WAA Summer Workshop

River Falls, WI United States UW-River Falls

July 26, 2024

TREE BIOLOGY, ANATOMY AND PHYSIOLOGY FOR ARBORISTS

Seattle, Washington United States Center for Urban Horticulture - Douglas Classroom