Allowing residents to remove trees within three metres of buildings or ‘ancillary structures’ could dramatically alter the green infrastructure of dense inner Sydney suburbs like Rozelle.
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Greater urban density is making it harder to preserve, let alone increase, tree cover. It’s vital, then, to demonstrate the full value of green infrastructure for healthy liveable cities.
Plants and trees cool themselves and the surrounding environment like this building in Paris, France.
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Greening cities have a huge impact. The trees go beyond just lowering temperatures. They help decrease the demand for indoor cooling like air-conditioners saving money.
Some local councils are more tolerant than others in allowing residents to grow food where they want.
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It is possible to use small spaces such as transport corridors, verges and the edges of sporting grounds for native wildlife habitat restoration, helping to bring biodiversity back into cities.
The shimmer of a heat mirage shows how a hard road surface increases urban temperatures by radiating heat into the air.
Wikimedia Commons/Brocken Inaglory
It seems like a ‘no brainer’ to use urban greening to help cities adapt to increasing heat, but the uptake of green infrastructure, such as trees and vegetated roofs, surfaces and walls, is slow. Why?