Check here for information concerning board developments and changes.

Feedback for the web site, The Knothole, and other community news.

Questions about TTC Solutions software? Ask here!

An open community forum. Post questions to arborists around the world.

Consult with colleagues regarding questions, comments, and news items about the arboriculture world.

Interesting situations for everyone from the Ph.D. to the ground man...

Advertisements for arboricultural companies worldwide offering employment opportunities.

Advertisements for arborists worldwide seeking employment opportunities.

Got a problem that's bugging you? Post here!

The "Landscape Below Ground" has become a major topic of discussion in recent years, as we gain knowledge of the less-visible parts of trees and the soil environment.

Construction around trees is a widely discussed problem in arboriculture. Here you will find discussions about trees on construction sites, as well as dealing with hazardous tree conditions and their assessment.

Discuss articles and other literature related to arboricultural topics. Inform others, and add your own comments!

Ask for advice or tips on choosing the right tools for the right job, or how to put them to best use, as well as the latest theories and techniques for diagnosis.

Discussion topics for field technicians.

Discussion of tree and landscape appraisals and valuations.

Situations involving legal issues pertaining to trees and arboriculture may be found in this section.

Discussion of the Council of Tree and Landscape Appraisers Guide, 9th and 10th editions.

A space reserved for all other topics!