This global conference will set out how cities should develop over the next 20 years, tackling some of humankind's toughest issues.
Here's how social and political power can come together in cities, to counteract the focus on short-term profit.
Property inequality keeps on growing, stopping it will take strong principles and brave politicians.
If Perth can preserve the rich biodiversity of its setting, it will become a model for sustainable city development that fully connects with the value of natural ecosystem services.
More than 25,000 delegates will meet in Quito in October to set out a New Urban Agenda for the UN, to be implemented over the next 20 years. But Australia is yet to play a major role in the process.
A candid assessment of the impact of the games, from an academic on the ground.
Looking back on the legacy of London 2012, it's clear the local artistic community has lost out.
Koala numbers in parts of Australia are in decline as they move from development of their land. But they can learn to take safer routes if they are built as part of the urban design.
In Australia, a small but growing cadre of residents is experimenting with hacktivism in planning. Giving a voice to real people living in everyday places can help ensure planning meets public needs.
The fact that the NSW government has stepped in to take back control of the White Bay redevelopment is actually an amazing story. One would hope this is a process of learning at work.
The Banksia woodlands of the Swan Coastal Plain are home to thousands of species, many unique. But they are gradually being swallowed by Perth, one of the world's most sprawling cities.
In an age of data-driven urban science, we need to remember how Jane Jacobs gave voice to the multiple languages, meanings, experiences and knowledge systems of a vibrant city.
Victoria's volcanic plains offer fertile ground for grasslands teeming with wildflowers. But that same fertility has also made the plains a tempting target for grazers and growers, and developers too.
With a strategic plan adopted, it not only shows where development should be avoided but clears the way for development in other areas. So Perth needs to get it right.
In the media, urban consolidation is often depicted as a threat to Australian suburban life. In reality, it's a result of managed planning processes to ensure growing cities remain liveable.
Early residents in new communities are known as 'pioneers' – they arrive before many services are in place. A five-year study points to the many benefits of putting in good services early on.
Much of the infrastructure Australia needs will be funded by "value capture" – raising tax revenue by boosting land values. Some have decried it as a tax hike in all but name, but it isn't really.
The Turnbull government sees the 'City Deal' as a way for 'smart cities' to drive innovation and growth. But what is the value proposition behind this UK concept and how might it work in Australia?
The world's informal settlements are growing at an unprecedented rate, with about one in four urban dwellers living in slums. We need to rethink how we view and deal with these people and places.
Achieving green cities will require more than just canopy cover targets and central city strategies. It will need new approaches to urban planning and development.