🌆 Farming metals from 🌱 plants
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🏙️ Repurposing downtown offices into apartments
🌆 Sci-fi writer’s city plan to save the world
🏙️ What's in the $2 trillion infrastructure plan?
🚁 Flying UPS deliveries
🏛️ White House rates worst states’ infrastructure
🏙️ Redeveloping our shopping malls
🚀 Architect’s Mars City concept
🏙️ Most hackable smart city tech
🤖 Food delivery robots, coming through!