Yeah I didn't mean using the exact same approach. They'll probably have to do things like building artificial reefs, planting mangroves, raising buildings/roads

Yeah I didn't mean using the exact same approach. They'll probably have to do things like building artificial reefs, planting mangroves, raising buildings/roads, and maybe something like Tokyo's giant cisterns. In the end it may not work but it seems like it's worth trying for a few decades.