Bigger cities increase wages, output and innovation, but also problems of congestion and pollution. Congestion charges can minimise these problems by dramatically improving traffic flows.
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.
Wild seas have left beaches eroded and houses close to collapse.
Storms like those that lashed Australia's east coast flush pollution out to sea.
Heightening liquor regulation has for centuries been the immediate response of urban policymakers when confronted with people and behaviours deemed socially undesirable.
Eastern Australia's massive storms will likely become rarer in a warmer world, but probably more intense.
Since the earliest days of British colonisation, authorities have sought to limit the problems associated with alcohol by licensing its sale and limiting the times and places where it is drunk.
The story of the Builders Labourers Federation campaigns that saved historic locations and green spaces in the 1970s still speaks to contemporary Australians' concerns about urban development.
The Green Square urban renewal area – expected to be Sydney's most densely populated area by 2030 – represents a new paradigm of urban living.
Governance of metropolitan Melbourne is fragmented among 31 city councils. All levels of government need to work towards creating a metropolitan authority to meet the challenges of a growing city.
We need to move away from thinking about the skyscraper as an “icon”. Instead, we should be asking how the tall building – which will always “stand out” – can also “fit in” to cities.
Sydney, as a whole, is lurching toward an urban structure where its transportation problems are impossible to solve. The only alternative is to create new centres of employment.
A fast rail link between Sydney and Melbourne was first proposed in 1984. So why haven't we done it yet?
The NSW government agenda would deny the 'right to the city', that network of diverse communities, practices and places which give rise to the convivial and inclusive potential of cities.
If planning decisions properly considered the value of trees in a city, we could have a modern transport system and tree-lined views to enhance the journey.
Without the public mobilising over inequalities that are so ingrained in its psyche, Sydney is unlikely to see its nightlife reflect true social inclusion and diversity.
Under pressure to be a global city, market-led infrastructure provision is shifting the focus from public to private interests, from government as promoter to government as client, with mixed results.
Dallas Rogers speaks with Lucy Turnbull about the new Greater Sydney Commission, its structure, plans and mandate, and the criticisms of what some see as a "top-down" approach to urban planning.
Sydney is in the process of smashing the record for the longest run of days above 26℃. Weather, El Nino and climate change are all playing their part.
The cutting of senior staff from WaterNSW, the body that oversees the safety of Sydney's water supply, poses serious risks to Australia's most complex water network.