sustainable underwater city inhabited by marine life

sustainable aquaculture underwater cityscape urban design architecture marine biology biodiversity conservation ecofriendly infrastructure renewable energy vertical farming blue economy oceanic habitat restoration artificial reefs submerged buildings facilities bioengineered coral seafood production aquaponics systems integrated multitrophic bioremediation seawater desalination ocean floating farms modular materials passive solar heating fish mariculture mammals invertebrates kelp forest recycled waste utilization community engagement economic development tourism attraction coastal protection climate change mitigation