Why should I hire a Certified Arborist?

An arborist is a specialist in the care of individual trees. Arborists are knowledgeable about the needs of trees and are trained and equipped to provide proper care. Hiring an arborist is a decision that should not be taken lightly. Proper tree care is an investment that can lead to substantial returns. Well-cared-for trees are attractive and can add considerable value to your property. Poorly maintained trees can be a significant liability. Pruning or removing trees, especially large trees, can be dangerous work. Tree work should be done only by those trained and equipped to work safely in trees. 

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Quick facts about trees:

Did you know that trees are the longest living organisms on earth? How do trees help purify the air that we breath? Where is the world's tallest tree located? This section provides a summary of some of the most interesting facts about trees.

		Categories General Tree Biology Trees and the Environment Record-setting Trees Trees and Science

Developed by the International Society of Arboriculture (ISA), a non-profit organization supporting tree care research around the world and is dedicated to the care and preservation of shade and ornamental trees. For further information, contact:
ISA, P.O. Box 3129, Champaign, IL 61826-3129, USA.

© 2007 International Society of Arboriculture.

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