The Conversation
International · 3 hrs ago
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Trees and greenery can cool cities by as much as 18°C – but only if it’s the right type
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Research comparing urban greening strategies across Melbourne, Munich, and Hong Kong found that layered vegetation combining trees with shrubs and ground cover is more effective at cooling cities than trees alone, with potential temperature reductions of up to 18°C depending on implementation.
Trees and greenery can cool cities by as much as 18°C – but only if it’s the right type
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Cities around the world are planting more trees to cope with rising urban heat. But our research shows trees alone are often not enough. In some cases, the wrong kind of greening can even make streets feel less comfortable on a hot day.
We compared field measurements from Melbourne, Munich and Hong Kong to test how different kinds of urban planting changed the heat people experience outdoors.
The results showed layered vegetation – where trees are combined with shrubs and ground
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