City trees can cut heat by up to 5°C, and a review of 49 studies says the secret is not just more trees, but how they are arranged

Planting trees strategically is vital for cooling cities, according to a scientific review. Clustered tree arrangements provide the strongest cooling effects, reducing temperatures significantly. Row-based plantings also prove effective along streets and paths. Individual trees offer localized benefits, reducing indoor cooling needs. Urban planners must focus on placement for maximum impact.

Jul 7, 2026 2

City trees can cut heat by up to 5°C, and a review of 49 studies says the secret is not just more trees, but how they are arranged
Planting trees strategically is vital for cooling cities, according to a scientific review. Clustered tree arrangements provide the strongest cooling effects, reducing temperatures significantly. Row-based plantings also prove effective along streets and paths. Individual trees offer localized benefits, reducing indoor cooling needs. Urban planners must focus on placement for maximum impact.
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