"At the height of the building industry boom in the 1970s a remarkable campaign stopped billions of dollars worth of indiscriminate development that was turning Australian cities into concrete jungles. Enraging employers and politicians but delighting many in the wider community, the members of the New South Wales Builders Labourers' Federation risked their jobs in order to preserve buildings, bush and parkland. The direct impact of this green bans movement can be seen all over Sydney and ongoing effects were achieved through changes to environment and heritage legislation and the culture of town planning."

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