Science & Tech · Science & Environment · 58 mins ago
Survey finds weak shade from many street trees in Gwangju
A citizens’ survey of street trees in Gwangju, South Korea examined 17 areas affected by construction or development.
Of 3,195 living trees, 1,240 shaded less than 40% of the pavement.
The survey also found that 591 trees had large parts of their branches cut off, while 21 of 24 trees replanted after construction earned the lowest shade score.
Another 104 trees had been cut down or had died, and 97 of those were in two districts, Gwangsan and Buk.
The environmental group said heavy pruning and tree removal have reduced shade for people walking along the streets.
It urged officials to focus tree policy on canopy and shade rather than simply replacing the number of trees.
The group did not give a timetable for any policy changes.
A survey found that 1,240 of 3,195 living street trees in Gwangju covered less than 40% of the sidewalk with shade.
The Gwangju Federation for Environmental Movements said excessive pruning and tree felling had contributed to the lack of shade.
The survey covered 17 sites in five districts, including urban railway construction areas and development zones.
Of 591 trees with substantial pruning, the average shade score was 2.31 out of five.
The group called for street-tree policy to focus on tree canopies and shade rather than simply maintaining tree numbers.
- Who
- The Gwangju Federation for Environmental Movements reported the findings, with help from 17 citizen surveyors.
- What
- A survey found that many street trees provided little shade over sidewalks.
- When
- The findings were reported on November 12, 2026.
- Where
- Seventeen sites in five districts of Gwangju, including construction and development areas.
- Why
- The federation said excessive pruning and felling large trees for construction, followed by planting young trees, reduced shade.
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- Living street trees surveyed
- 3,195
- Trees shading less than 40% of sidewalks
- 1,240 (38.8%)
- Survey sites
- 17 sites in five districts
- Substantially pruned trees
- 591 (18.5%); average shade score 2.31 out of 5
- Trees felled or dead
- 104, excluded from shade-score totals
1 source
What people are saying
We must move away from management that simply fills the number of trees and completely shift street-tree policy to focus on canopies and shade.