International Society of Arboriculture

The International Society of Arboriculture, or, ISA, is an organization that provides qualifications, certifications and continuing education for arboriculture professionals.  The website features everything from tree climbing to tree biology, as well as resources about how to get certified in your local area and upcoming events.  Here is a direct link to the ISA certified arborist handbook.


About danblake222

*MSc "Integrative Ecosocial Design" with Gaia University *BA "Ethnography & Photography" with Minor in Spanish Linguistics from UCSC *Artist in Residence at Omega Institute *Handyman, House Painter, Writer, Photographer, Permaculture Designer, Gardener *Photography portfolio at

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