Greenonomics on Instagram: "Lessons Cities Can Learn from Copenhagen Copenhagen proves that climate action works best when people are at the center. From solar-powered schools and green rooftops to cycle-first mobility and clean district energy, the city shows how sustainability, equity, and smart design can move together. A powerful reminder: resilient cities are built with communities, not just infrastructure. More cities should take note. #smartcities #sustainablearchitecture #netzero #climat