Cities around the world rely on trees to keep temperatures lower. New research shows trees are remarkably effective – but can’t do it all
Articles on Urban trees
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In the first study of its kind, researchers matched more than 1,500 Sydney house sales with data on nearly 50,000 public trees. They found location is crucial.
Trees provide shade and cool our cities, but poor management can make them a hazard.
New technologies are making it easier to find these urban heat islets, opening the door to new strategies for efficiently improving community health.
Converting open-air car parks and creating green cooling corridors on transport routes is an easy and affordable way to beat the city heat as the climate changes.
England is dawdling behind many other countries when it comes to protecting our important trees.
Street trees often grow in appalling soil, have little root space, are rarely watered and get aggressively trimmed. But this tough species rises to the challenge.
As mums, it’s been frustrating to see so many of our kids’ sport matches cancelled due to waterlogged grounds. Research shows how we can tackle this through smarter design and green infrastructure.
While trees are beautiful and benefit the environment, the most practical argument for planting more is that they provide a clear public health benefit, both in the preventive and therapeutic sense.
Trees are better at designing habitat than we are. Can we use machine learning to get some tips?
Many in the wider community still see sugar gums as risky trees that drop dangerous branches. But there is much to appreciate and admire about Eucalyptus cladocalyx.
South Australia stands out as having the weakest tree-protection laws, but cities around the nation are losing tree cover at a time when climate change makes them more important than ever.
Garden leaves make good compost, but street leaves are too polluted.
It’s spring, but many street trees look stressed and sick. Heat and insect attack are arriving early. But our cities are also steadily losing canopy cover.
New research reveals how trees respond to extreme heat. Most trees lose more water than models predict. Some species cope better than others. Access to water will be critical for the hot summer ahead.
Mistletoes are ecological keystones that boost habitat value for wildlife, so we added them to established plane trees in the inner city.
The loss of so many trees in Sydney’s Castle Cove represents the theft of environmental benefits and services from future generations of Australians.
Tall. Straight. Abundant flowers. And a stunning trunk. What’s not to like about the spotted gum?
New Zealand’s urban green space has dwindled over the past six decades. The Commissioner for the Environment has issued a warning and a challenge – get greener before climate change gets meaner.
Urban plantings are part of the solution to living in warmer cities, but most tree and shrub species in the world’s cities will struggle too. The impacts on liveability could be huge.
Top contributors
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Senior Research Associate, School of Agriculture, Food and Ecosystem Sciences, The University of Melbourne
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National Technical Executive in Ecology at WSP Australia Pty Ltd. Adjunct Associate Professor, School of BioSciences, The University of Melbourne
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Honorary Associate Professor, Forest Measurement and Management, Fenner School of Environment and Society, Australian National University
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Professor of Ecology and Associate Director, Hawkesbury Institute for the Environment, Western Sydney University
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Lecturer, Bangor University
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Professor and ARC Future Fellow, Hawkesbury Institute for the Environment, Western Sydney University
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Professor of Urban Health and Environment, UNSW
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Professor of Cities and Planetary Health, ARC Future Fellow in nature-based solutions for loneliness, University of Sydney
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Senior Lecturer in Urban Planning, University of Auckland, Waipapa Taumata Rau
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Senior Lecturer, Macquarie University
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Senior Researcher in Ecology & Biostatistics (CNRS), Université de Picardie Jules Verne (UPJV)
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Professor of Practice, School of Architecture and Built Environment, University of Newcastle
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Distinguished Professor, Director of Smart Green Cities, Macquarie University
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Assistant Professor, North Carolina State University
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Spatial analyst, Macquarie University