Environment
fromEarth911
5 hours agoHow To Grow Vegetables With Aquaponics
Aquaponics uses one gallon of water to grow a kilogram of leafy greens, significantly less than conventional farming methods.
Perched at the Osaka Health Pavilion during Expo 2025, a translucent dome hums with life. Inside, tomatoes ripen above brackish water while pufferfish swim below, their waste feeding the plants that clean their home. This is "Inochi no Izumi," or "Source of Life," a 21-foot-high sphere that reimagines how cities might feed themselves. The dome's genius lies in its vertical arrangement. Four water compartments form the base: seawater, brackish water, and two freshwater tanks.