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More people. That single, simple concept is driving one of the most rapid and 聽dramatic urban redevelopments Australia has ever seen, underscored by the fact that Australia鈥檚 population just reached 24 million 鈥� 17 years earlier than expected.

To give a sense of the scale of change, Australian building projects currently underway are valued at more than $400 billion, and it won鈥檛 end there.

The concept of more people might be simple, but the implications are anything but. More people means more cars, garbage, air pollution, urban sprawl, water demands and housing pressures. And less biodiversity.

As previously sleepy Sydney streets become apartment canyons, there is the very real possibility of a gridlocked city where services聽and resources buckle under the demands made of them. In recognition of the pressing need to find better urban planning solutions, the NSW Government agency, UrbanGrowth NSW, formed an alliance earlier this year with the University of Sydney and other universities across the state. The agreement promotes opportunities for undergraduate students, postgraduate students and researchers to work with the agency on urban planning projects as part of their academic studies.

When announcing the agreement, NSW Planning Minister Rob Stokes said the agreement recognised that collaboration between government and the university sector is 鈥渃ritical for the delivery of innovative approaches to urban transformation鈥�.

Garry Bowditch is Executive Director of the Better Infrastructure Initiative at the University of Sydney鈥檚 John Grill Centre for Project Leadership. The centre was established by a donation from Sydney alumnus John Grill AO (BSc 鈥�66 BE (Civil) 鈥�68 DEng (Honoris Causa) 鈥�10). It now educates executives and conducts research aimed at bringing Australia鈥檚 sometimes wasteful major projects up to the standards of world鈥檚 聽best practice.

One key focus for Bowditch is making sure those big projects deliver value and the solutions people actually want.

鈥淲e have to shift the mindset away from 聽physical assets to the services that are provided by those assets,鈥� he says. 鈥淧eople aren鈥檛 interested in whether we invest in a tunnel or a bridge or a road. They are concerned with the quality of the services provided and 聽whether they are delivered in a way that is efficient and adaptable to changing circumstances.鈥�

An important part of any successful city is easy transport. It is a well-loved feature of some of the world鈥檚 great cities and a regular criticism of Sydney. Already, about 30 percent of Sydney鈥檚 driving commuters spend the equivalent of three weeks of their year getting to and from work.

鈥淲e need to make sure that our mobility is insured for the future,鈥� Bowditch says. 鈥淎nd it needs to be structured so that people can change from bus to bike to train to car seamlessly聽and without penalty.鈥�

Australian cities now have the chance to integrate land use and transport planning. Sydney鈥檚 WestConnex project, for example, will connect the outer and inner suburbs of the city and provide an opportunity to develop large-scale, pleasant and affordable housing along the road corridor. This should be built into the DNA of such projects, says Bowditch.

It should be an Australian style of high-density housing, rather than a replica of high rise elsewhere.

鈥淎ustralians want to be able to see the sky and 聽feel a breeze and have some sort of openness to the environment. What is lacking so far is an Akubra hat of densification. We need to address the land-use regulations that are preventing proper experimentation,鈥� says Bowditch.

The John Grill Centre is addressing these issues through courses such as its Executive Leadership in Major Projects, a one-year program for senior executives who are further developing leadership skills to head up major infrastructure projects. The centre also has a thought leadership program that focuses on resource management and 聽allocation, aimed at driving greater intellectual enquiry into the infrastructure sector, which has also been sorely lacking, says Bowditch.

Professor Peter Phibbs is the Chair 聽of Urban and Regional Planning and Policy at the University and also Director of the planning-focused Henry Halloran Trust. He says it is time to take the politics out of urban planning and adopt a long-term view.

The best city planning looks at least 20 years ahead.

鈥淚f we are to deal with strong population growth in our cities and 聽maintain liveability, we can鈥檛 just leave things to market forces,鈥� Phibbs says. 鈥淚n Sydney we have a housing crisis and people are starting to realise their kids can鈥檛 live in the same city once they leave home, as prices are too high.鈥�

In New York, developers are obliged to include a proportion of affordable housing in their new projects. Another idea is to establish planning mechanisms for newly developed housing around transport modes. Instead of the owners of existing housing making a profit of 300 or 400 percent, the regulations could restrict this to 100 or 200 percent, with the balance going into providing affordable housing.

鈥淲e need to find ways of funding the infrastructure we need,鈥� says Phibbs. 鈥淎nd if we want to attract the smartest and 聽brightest people to live and 聽work in our cities, they must be affordable.鈥�

The University of Sydney has a number of programs that aim to promote new ways of thinking about city planning, including those under the umbrella聽of the Henry Halloran Trust. One of these, the Practitioner in Residence program, supports research by an experienced practitioner who then delivers a public lecture on their findings. The Trust鈥檚 Blue Sky grants also foster innovative research into areas that may otherwise find it difficult to attract funding.

Other programs, such as the Smart Seeds innovation competition and Festival of Urbanism, aim to promote new ideas and better approaches to city building.

Another new initiative is the Lendlease Bradfield Urban Vision Scholarship which encourages academic excellence and creativity in first-year and second-year undergraduate students in studies related to urbanism.

It gives special emphasis to encouraging women into this field of study. Caitlin Hanrahan, the inaugural recipient of the scholarship, has a vision for a future Sydney comprising central living districts interconnected by an efficient transport system. The combined Bachelor of Engineering Honours and Bachelor of Commerce student says these central living districts would include essential infrastructure such as healthcare, education and entertainment services.

鈥淣ow is the time to create a vibrant, affordable, sustainable and desirable place to live,鈥� says Hanrahan.

The early 20th century was another time of great change, and one of the innovators was Henry Halloran. Henry introduced new concepts of town planning in the many settlements he established as part of his contribution to nation building. The Henry Halloran Trust was created through a gift from Henry鈥檚 son, Warren, and supports research to drive better outcomes in town planning, urban development and land management.

Written by Lynne Blundell
Photography by Louise Cooper and Stefanie Zingsheim