Social Sustainability
Urban Forestry
The planning and management of a city's entire tree population — the cheapest cooling, air-cleaning infrastructure a city can grow.
Definition
Urban forestry is the planning, planting, care and management of all trees and associated vegetation in and around a city — street trees, park trees, woodlands and private gardens treated as a single canopy. Urban trees deliver measurable services: surface cooling of several degrees beneath canopy, stormwater interception, air filtration, carbon storage, property value and mental health benefits; canopy cover targets (the "3-30-300" rule: three trees visible from every home, 30% canopy per neighbourhood, 300 metres to green space) increasingly guide policy.
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