1950s-70s concrete architecture rehabilitation. Boston City Hall, Barbican London, Habitat 67 Montreal. SOS Brutalism campaign. Instagram #brutalism 500K+ posts. Gen Z ironic appreciation. ‘Heroic’ vs ‘oppressive’ debate. Climate: concrete emissions terrible, but existing buildings embodied carbon.
Sources: Urban planning publications, architecture blogs, city planning department reports, environmental building research, transit ridership data.