Seven professionals were recognized as True Professionals of Arboriculture at the ISA Annual Conference in July. See the press release for a complete list of names. MORE >>

Several autumn fatalities linked to dangerous tree care practices are prompting a coalition of arborists and urban foresters to urge contractors (and others) to hire only certified tree-care professionals. MORE >>

ISA is pleased to support the efforts of Don't Move Firewood.org. Tree-killing insects and diseases can lurk in firewood. These insects and diseases can't move far on their own, but when people move firewood they can jump hundreds of miles. New infestations destroy our forests, property values, and cost huge sums of money to control. MORE >>

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 >>

Ambitious Tree-Planting Programs Are Sprouting Up Nationwide. From the April 25, 2008 Washington Post. Spurred by visions of their cities frying in a warmer world, mayors around the nation have grasped a green solution: trees! MORE >>