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The Arborist Short Course is a four-day workshop designed to increase working tree knowledge and prepare participants for the ISA Certified Arborist exam.

Short course prepares professionals to become Certified Arborists and provide research-based tree care education.

Many insects that feed on trees cause cosmetic/aesthetic damage only. Learning the key insects that impact tree health is critical when managing urban trees.

Trees are an integral part of our health. Learn about the research between healthy trees and healthy people during this virtual event.

This article explains how communities can form a tree commission to create and sustain an urban forestry program.

This article explains how to create successful volunteer projects that can help gain the citizen support needed to establish a comprehensive community forestry program.

This article explains the essentials of budgeting for the costs of a community tree program each year. It includes a community tree budget worksheet.

Develop an annual work plan for a municipal tree commission to ensure public trees receive the regular care they need to remain attractive, healthy, and safe.

This article explains why utility companies prune trees, what directional pruning is, how a tree should look after it is directionally pruned, and other options for trees near powerlines.

This article answers five common questions about trees and utilities, and how conflicts between trees and wires can be resolved.

Managing stormwater, reducing flooding, and improving water quality.

This article offers tips and advice on how citizens and communities can find revenues and develop strategies to create a community tree program.

This article explains how citizen advocacy groups can work with community officials and develop working relationships with local leaders to put "green issues" on the agendas of local governments.

This article explains planning hierarchies and putting tree planning into practice, including effective administration; analysis of hazardous trees; proper site preparation; and proper tree selection.

Street and park tree inventories provide information for the planning, design, planting, maintenance, and removal of community trees.

Trees help improve water quality, increase property values and make neighborhoods more visually appealing. This article provides tips for choosing, planting, and caring for backyard trees.

This article describes fabricated soils, which can be heavily compacted, polluted, and unfertile, full of trash and debris and have unhealthy high or low pH ranges.

This publication provides information about public relations, rules for working with the media, and communications tools, as well as sample letters to the editor, op-ed pieces and news releases.

This publication explains tree health and environmental considerations and details how to preserve trees.

This publication includes tree-related puzzles, projects, and other activities. It covers tree parts, types, how to plant trees, insects and diseases that affect trees, and more.

Timber harvesting is regulated by a fraction of Pennsylvania's local governments, but more municipalities are beginning to regulate harvesting in order to maintain forests for future generations.

There are several situations that can trigger root problems and death of your new plant. Using preventative or correctional measures will help to ensure your plant thrives.

Mulches are commonly used to enhance the beauty of landscapes, suppress weeds, conserve soil moisture, and buffer plants from the damaging effects of traffic and lawn equipment.