Central City 2048 proposes one new rail line, three metro lines and almost 300,000 extra jobs for the new CBD, one of three proposed for metropolitan Sydney. Clearly, the investment needed is massive.
The Greater Sydney metropolis is envisaged as having three CBDs by mid-century, but an assessment of the proposed Central City around Parramatta shows how much work is needed to make that a reality.
What exactly is the 'built environment'?And is the term the best way to frame what we're trying to achieve today?
It's easy to over-estimate crowding and traffic in highly visible downtown cores and underestimate the vast growth happening in the suburban edges of our metropolitan regions.
Brasília was designed to be a just and inclusive city, but it still failed. Can Egypt's new capital avoid the same mistakes?
Shared electric scooters appeal as a way to cover that awkward distance between public transport stops and your destination. But first e-scooter operators must solve the littering and dumping problem.
Big data from smart phone and credit cards can uncover the daily rhythms of city life, for all its residents.
Planning for rivers is one thing, but implementation is another as urbanisation and population growth increases.
Many US cities are investing in bike infrastructure and shade trees. Properly located, these additions can make streets cooler, cleaner and safer for all users – even those who drive.
Vancouver lost out to Calgary as Canada's most livable city this year. Why? Is it the high cost of housing or is it the city's 'neighbourhood first' method that sometimes creates business instability?
We wear our surroundings like a cloak. Lower-income communities often live in environments that discourage healthy, outdoor activities. This perpetuates their poorer health and traps them in poverty.
Athletes and spectators are likely to encounter dangerously hot temperatures when Tokyo hosts the 2020 Olympic games. With two years to go, there's still time to take protective measures.
In the 1970s, a young urban planning professor, Dolores Hayden, believed that city design was the key to unlocking patriarchal structures that trapped women in the home. How much has the city changed?
Planners have long tried to determine the ideal city size, and ideas have evolved with changing circumstances. But a good city depends more on the way it's managed than on how many people it holds.
Our current celebration of cities is a big shift from the past generation when cities were seen to contain all of our problems. Should we believe the hype? Are the new ideas equally problematic?
The ecological value of old trees is irreplaceable for native Australian fauna. Identifying and preserving these trees in cities through smarter planning strategies is important for local wildlife.
Community proposals for public swimming pools are popping up all over the country. But individuals need to work with governments to ensure these projects actually get off the ground.
There's no such thing as a one-size-fits-all plan for sustainable, healthy urban living. Urban diaries help identify what works – and doesn't work – for tropical cities like Cairns or Townsville.
Facebook will build a village with housing and amenities in Silicon Valley, a new version of old, unsuccessful ideas of company towns and utopian communities. Will Facebook's town face the same fate?
Planning matters. The 2005 riots in France started in badly designed housing projects, while innovative planning helped Medellín, Colombia, shed its reputation as the most violent city in the world.