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21-Foot Dome Revolutionizes Urban Farming at Expo 2025

12/13/2025

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Story summary
  • The Source of Life is a 21-foot dome showcased at Expo 2025 in Osaka, Japan.
  • The system operates as a closed-loop ecosystem.
  • The dome integrates marine and freshwater species to nourish hydroponic plants.
  • Researchers from Osaka Metropolitan University and Tokyo University designed the system to mimic natural recycling processes, enabling farming in limited urban spaces without soil or weather conditions.