Dense, high buildings limit the space available for urban greenery. But imaginative projects that involve the community can ensure nature and the city go hand in hand.
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Articles on Green roofs
Displaying 21 - 38 of 38 articles
Research shows if Australia encourages greenery on buildings, it will reduce temperatures in the city, as well as potential for flash flooding. It also creates new habitats and socialising spaces.
How to move beyond the warm words about tackling urban heat islands to doing something about them.
In the future, Europe will suffer from more heat waves as well as extreme rainfall, presenting new challenges for planners and health care services. Building resilient cities can help.
The Australian Open tennis and the recent Ashes Test cricket series show why our sporting stadiums need to be “climate-proofed” to deal with extreme heat.
Sun, wind, waste biomass, geothermal, tides and waves: all these energy sources in Sydney’s backyard add up to a zero-carbon energy solution for the city.
Urban bees deal with what’s known as “habitat patches,” discontinuous patches of green like gardens, parks and ravines. Green roofs could offer relief to bees dealing with habitat fragmentation.
Green roofs could play a critical role in helping cities cope with extreme rainfall events in the age of climate change. The roofs essentially suck up stormwater like sponges if designed properly.
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.
The US wants to invest in more infrastructure to handle our rainfall and melted snow. Stormwater credits could help cut costs and protect the environment.
Health benefits of being close to nature are well established, but the rise of apartment living means we can’t always be close to greenery.
International problems and local policies are integrally interwoven, whether the nationalists in Washington like it or not.
In a world of increasing urbanisation, density, pressure and, some say, isolation, there’s a natural salve for stress, pressure and mental illness. And it’s right above our heads.
Green and cool (reflective) roofs are effective tools for cooling overheated cities. Research in Chicago shows that their impacts depend on local conditions, so planners should site them carefully.
Green infrastructure can be delivered relatively easily using existing planning processes. The main obstacle could be psychological: planners are wary of disruption to embedded practices.
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?
Planting more trees in our cities is a good idea, but we need to remember to plan ahead for conditions those trees might encounter when they mature in half a century’s time.
Built-up urban environments transform the resource of rainwater into wasted runoff. Low Impact Development mimics nature to help get stormwater into the natural water system.
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Top contributors
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Professor, School of the Built Environment, University of Technology Sydney
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Assistant Professor of Civil Engineering, University of Toronto
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Senior Lecturer in Urban and Environmental Planning, Griffith University
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Associate Professor in Planning, School of the Built Environment, University of Technology Sydney
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Research Assistant, GRIT Lab, University of Toronto
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Research Professor ISGlobal Barcelona and Professorial Fellow, ACU Melbourne, Australian Catholic University
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Professor of Human Geography and Planning, University of Tasmania
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Illinois Research Climatologist, University of Illinois at Urbana-Champaign
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Associate Professor of Landscape Architecture , University of Toronto
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Karine Dupré is a Friend of The Conversation.
Professor in Architecture, Griffith University
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Professor of Sustainability Science, Edinburgh Napier University
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Postdoctoral Research Fellow, The University of Queensland
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Associate Professor in Urban Ecology and Urban Horticulture, The University of Melbourne
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Chair professor, Queensland University of Technology
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Associate professor, UNSW Sydney
