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Upcoming Events
Previous Events
July 7, 2026 - Tree Lover's Ride - Ladd's Addition, Portland, OR - Pedalpalooza
July 8, 2026 - EAB in the Columbia Slough Watershed - Portland, OR - Columbia Slough Watershed Council
August 2, 2026 - Confluences - Water, Trees, and People - Kelley Point Park, Portland, OR - Arbor Lodge Tree Team
August 10, 2026 - Level 1 Limited Visual Risk Assessment - The Odd One Out - Detroit, MI - ISA
August 11, 2026 - So, There is a New TRAQ. What do I need to Know? - Detroit, MI - ISA
August 17-19, 2026 - Tree Risk Assessment Qualification - Seattle, WA - PNWISA
July 17, 2024 - Tree Ordinances: How Communities Can Protect Existing Trees During Development - Treekeepers of WC
December 5, 2023 - Where do benefits fit into risk? - ASCA - Renton, WA
June 1, 2023 - Alternatives to Ash: Resilient Options for Natural Areas - A Panel Discussion - Oregon Community Trees
December 2, 2022 - ISA's Best Management Practices for Construction Near Trees + Handout - ASCA - Louisville, KY
2021 - Tree Care for Birds Virtual Workshop - Western Chapter of the International Society of Arboriculture
Educational Materials
Vanport Trees: Potential survivors of the 1948 flood
When are west coast ash trees suitable for preservation? PNWISA Trees March 2024
Trees and Construction: Is this tree likely to survive construction? Arborist News February 2024
Best Management Practices - Managing Trees During Construction. 3rd Edition. 2023 International Society of arboriculture + April 2023 Featured Product
Tree Care for Wildlife Best Management Practices with Western Chapter ISA Appendices. 2021 Western Chapter of the International Society of Arboriculture
Complete List
Education and Training
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