Frequently Asked Questions
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Can trees be hazardous?

A: Trees are essential to our world, offering a wide range of benefits to our environment. However, trees become hazardous liabilities if they fall and injure people or damage property. Proper constant maintenance will help prevent and identify when a tree becomes dangerous. Evaluating the seriousness of a trees condition is best done by a professional ISA Certified Arborist.

More Information:

Recognizing Tree Hazards

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The Tree Benefit Calculator allows anyone to make a simple estimation of the benefits individual street-side trees provide. This tool is based on i-Tree’s street tree assessment tool called STRATUM. With inputs of location, species and tree size, users will get an understanding of the environmental and economic value trees provide on an annual basis. The Tree Benefit Calculator is intended to be simple and accessible. As such, this tool should be considered a starting point for understanding trees’ value in the community, rather than a scientific accounting of precise values. For more detailed information on urban and community forest assessments, visit the i-Tree website. MORE >>

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"The mighty oak was once a little nut that firmly stood it's ground."

Resources

Recognizing Tree Hazards Brochure

Available through the ISA Web store

Protect Your Investment, Hire An Arborist
...Tree Removal-Arborists can help determine whether or not a tree should be removed, though usually this is a last resort. Arborists have the skills and equipment to safely and efficiently remove trees. Tree removal is dangerous and should be done by a professional. MORE >>

© International Society of Arboriculture 2009
P.O. Box 3129, Champaign, IL 61826
Email comments & questions to isa@isa-arbor.com