Managing Atlanta's Urban Forest: What the City Actually Does and Why It Matters
Atlanta is often called the City in a Forest, and the label is not purely promotional — the metro's tree canopy is among the densest of any major American city. But that canopy is a managed resource, not a wild one, and understanding how it is managed — and mismanaged — explains a great deal about why Atlanta looks and feels the way it does from neighborhood to neighborhood.
Published June 26, 2026The urban forest of Atlanta includes every tree within the city limits: trees in parks, trees in private yards, street trees in the public right-of-way, trees in commercial parking lots, trees on institutional grounds. Combined, these trees cover approximately 47 percent of Atlanta's land area by canopy, a figure that places Atlanta alongside Seattle and Portland among the most canopy-covered major American cities. That is the number used in promotional material, and it is roughly accurate. What that number does not reveal is how unevenly distributed the canopy is, how rapidly it is changing, and how inadequately the current management system addresses the rate of loss.
Atlanta's urban forest is managed through several overlapping jurisdictions and frameworks. The City of Atlanta's Office of Sustainability manages the street tree program and the urban forest component of city policy. The Atlanta BeltLine manages tree planting along the trail corridor. Atlanta's parks department manages trees within the city park system. Private property trees — which constitute the majority of the canopy by area — are managed by individual property owners, regulated through the city's tree ordinance. This fragmentation of management responsibility is one reason the urban forest is difficult to manage coherently as a system.
The tree ordinance and its limits
Atlanta's tree ordinance regulates the removal of trees on private property above a certain size, requiring permits and — in the case of removal without approved replanting — replacement fees paid into the city's tree fund. The ordinance has been progressively strengthened over the decades as tree loss accelerated during development booms. The current ordinance protects trees above 6 inches in diameter at breast height (DBH) and requires replacement at a 3-to-1 ratio — three replacement trees for every mature tree removed — in some categories.
The ordinance is more protective than many comparable cities, but it has structural weaknesses that limit its effectiveness. The replacement size requirement for new plantings allows small caliper trees that will take decades to provide meaningful canopy function. The fee-in-lieu provisions — where developers pay into a fund rather than replanting on-site — concentrate replacement trees in city-managed locations rather than on the parcels where tree loss occurred. And enforcement of the ordinance is resource-constrained: the urban forestry staff available to inspect permitted removals, investigate unpermitted removals, and confirm replacement plantings is insufficient for the volume of tree activity in a city with Atlanta's development intensity.
The tree fund, funded by replacement fees, supports street tree planting and park tree plantings managed by city departments. The fund is a meaningful resource, but the mathematics are challenging: mature trees removed during development are replaced with saplings that will take thirty to fifty years to provide comparable canopy function, and the removal rate in active development areas has generally outpaced the replacement rate in recent cycles.
Street trees: the managed public canopy
Street trees — trees planted in the public right-of-way between the sidewalk and the curb — are the most directly managed portion of the urban forest. The city's street tree program plants and maintains these trees, selecting species for the specific conditions of urban street environments: compact root systems, tolerance for heat and drought, resistance to road salt and compacted soils, and appropriate scale for the planting strip width available.
Atlanta's street tree program has expanded significantly in the past decade, with plantings concentrated in neighborhoods identified as tree-deficient. The program faces two persistent challenges. First, the planting sites available on urban streets are frequently too small to support the long-term growth of trees large enough to provide meaningful shade. A six-inch planting strip between concrete sidewalk and curb cannot accommodate the root systems of a large oak; species selected for small spaces — crape myrtles, serviceberries, ornamental pears — mature at sizes that provide limited canopy. Second, street tree survival rates in the years immediately following planting depend on adequate watering, which requires either irrigation infrastructure or volunteer stewardship that is inconsistently available across neighborhoods.
The organizations that support street tree programs — Trees Atlanta is the most prominent — provide both planting capacity and the long-term maintenance advocacy that city budgets alone cannot sustain. Trees Atlanta has planted more than 130,000 trees in Atlanta and the surrounding region since its founding in 1985, and its community tree planting programs have concentrated in tree-deficient neighborhoods where private landowners and community organizations lack the resources to plant at scale on their own.
The canopy equity gap
Atlanta's 47 percent average canopy coverage conceals a distribution that is starkly unequal. Affluent neighborhoods — Buckhead, Morningside, Druid Hills, Ansley Park — have canopy coverage of 60 to 70 percent or higher. Lower-income neighborhoods on the Westside and Southside have canopy coverage in the 20 to 30 percent range, and some census tracts in the most densely developed and lowest-income areas fall below 10 percent. The gap corresponds closely with historical patterns of investment and disinvestment that also explain differences in housing quality, school resources, and infrastructure.
The consequences of low canopy coverage are not abstract. Summer afternoon temperatures in low-canopy neighborhoods can be 8 to 12 degrees Fahrenheit hotter than in high-canopy neighborhoods on the same day. Heat-related illness rates are higher in lower-canopy areas. Air quality is measurably worse where tree density is lower, because the particulate filtration and ozone sequestration functions of leaves are absent. These are not aesthetic differences; they are public health differences with measurable mortality implications.
Addressing the canopy equity gap requires sustained planting investment in the neighborhoods with the lowest canopy coverage — and the recognition that those neighborhoods have low canopy partly because they have had less political influence over development decisions that have removed trees without requiring replacement. Changing that pattern requires both ordinance enforcement and a deliberate allocation of tree fund resources toward equity-priority neighborhoods rather than allowing those resources to follow the path of least resistance toward already-green areas where organizational support for tree programs is stronger.
What residents can do
The urban forest is a shared resource managed in large part through the aggregate decisions of tens of thousands of private property owners. Individual homeowners who plant shade trees — particularly large-canopy native species like willow oak, water oak, black cherry, and American sweetgum — contribute directly to the canopy. Choosing appropriate species for site conditions and allowing trees to reach their mature size without unnecessary pruning or removal maximizes their ecological contribution.
Homeowners who retain mature trees during renovation and landscaping projects — even when trees are inconveniently placed relative to new construction — make the most consequential tree conservation decision available to them. A mature oak removed during a home renovation cannot be replaced in any meaningful timeframe; a sapling planted at the same time will take thirty years to approach the removed tree's canopy contribution. The decision to retain mature trees is the most ecologically significant choice most Atlanta homeowners will ever make regarding the urban forest.
Reporting unpermitted tree removals to the city's urban forestry division, supporting the tree fund through the ordinance's replacement fee mechanism rather than requesting variances, and participating in community tree planting programs are the other practical levers available. The urban forest is a collective infrastructure that requires collective maintenance — understanding it as such is the beginning of acting on it effectively.