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The International Society of Arboriculture (ISA) is the worldwide network for science-based information on the benefits and care of trees. To receive an ISA certification, an arborist puts his or her knowledge to the test in the form of an extensive written exam that covers a wide range of tree biology and tree care applications. Learn more
ISA Certified Arborist
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Tree risk assessment qualified
Tree Risk Assessment Qualification (ISA TRAQ) is an additional qualification training course consisting of a comprehensive written assessment as well as a performance-based assessment designed to evaluate an ISA Certified Arborist’s specialized knowledge in tree risk assessment. Learn more
a tier above
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