Frequently Asked Questions
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How to contact the International Society of Arboriculture?

A: Please contact ISA to obtain additional information on arboriculture (tree care) related topics. We will be happy to assist you!

International Society of Arboriculture
P.O. Box 3129
Champaign, IL 61826-3129, USA
Phone: (217) 355-9411
Toll Free: (888) 472-8733
Fax: (217) 355-9516

News

What is an Arborist and How Can You Find One?
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Organic Gardening: Urban Forestry and Your Home
Networx.com, a home improvement website, describes the power of a strategically planned urban forest to transform and restore any city. MORE >>

Thousand Cankers Disease: A Red Alert for Walnut
The black walnut may be the next on the list of disappearing trees. Do not sell or transport walnut logs, slabs or firewood (any walnut with bark attached) from areas of known or suspected infestation into unaffected areas. MORE >>

Rid your lawn of snow mold
Spring is upon us and so is snow mold. Lawn experts provide tips on how to identify and help rid a property of this unsightly lawn fungus. MORE >>

National Register of Big Trees
Big trees are symbols of all the good work trees do for the quality of the environment-and our quality of life. MORE >>

National Tree Benefits Calculator
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 >>

Green Spaces Improve Health
(BBC News) There is more evidence that living near a 'green space' has health benefits. MORE >>


"I frequently tramped eight or ten miles through the deepest snow to keep an appointment with a beech-tree, or a yellow birch, or an old acquaintance among the pines." - Henry David Thoreau

Resources

ISA Members

ISA Members should carry a current identication card. Please look for this logo to verify if the individual or company is a member in good standing. Membership can also be verified by contacting ISA at 1-888-ISA-TREE.

Professional Affiliation
....Ask about membership in professional organizations such as the International Society of Arboriculture (ISA). Affiliation with industry organizations demonstrates a willingness to stay up-to-date on the latest techniques and information. MORE >>

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