Significant concern was raised during the 1960s, with developers threatening the destruction of historical buildings, especially in Sydney. Heritage concerns led to union-initiated green bans, which saved significant examples of Australia's architectural past. Green bans helped to protect historic 18th-century buildings in The Rocks from being demolished to make way for office towers, and prevented the Royal Botanic Gardens from being turned into a car park for the Sydney Opera House.
Significant concern was raised during the 1960s, with ,developers threatening the destruction of historical buildings, especially in Sydney. Heritage concerns led to union-initiated green bans which saved significant examples of Australia's architectural past. Green bans helped to protect historic 18th-century buildings in The Rocks from being demolished to make way for office towers, and prevented the Royal Botanic Gardens from being turned into a car park for the Sydney Opera House.