At the same time, public infrastructure around the world is facing unprecedented stress, with hurricanes, cyclones, floods and forest fires all increasing in frequency and intensity. It’s easy to imagine a future in which growing numbers of cities have their frail and long-neglected infrastructures knocked out by disasters and then are left to rot, their core services never repaired or rehabilitated. The well-off, meanwhile, will withdraw into gated communities, their needs met by privatized providers.