The Green Square development, one of Australia’s largest urban renewal projects, will be home to 61,000 residents by 2030, according to new research. That figure equates to 22,000 people per square kilometre, about 50 per cent more than next-in-line Pyrmont, and has some wondering if the city’s infrastructure can keep up with Green Square growth.

Critics have pointed to delays in the building of schools and roads, and Lord Mayor Clover Moore said that the new research has highlighted the accelerated pace of development and the urgent need for new schools as well as transport to service the area. According to Cr Moore, the city…