When two global metropolises meet, it’s not just a handshake — it’s a commitment. 🌍
At Bloomberg CityLab 2026 in Madrid — the 12th edition of the world’s premier urban leadership summit, bringing together over 1,000 mayors, innovators, and policymakers — a powerful moment unfolded: Sadiq Khan (Mayor of London) and Jaume Collboni (Mayor of Barcelona) shared an embrace that symbolizes everything this summit stands for.
🇬🇧 London under Sadiq Khan is a global benchmark for urban sustainability — from the world’s largest Ultra Low Emission Zone (ULEZ) to a net-zero carbon target by 2030, and Sadiq’s recent appointment as Special Envoy for Fossil Free Cities.
🇪🇸 Barcelona under Jaume Collboni is transforming 20 hectares of forgotten urban spaces into green climate refuges, democratizing access to nature across every neighborhood through an €87M investment.
This is the Bloomberg CityLab spirit: cities don’t wait for national governments to lead. They connect, share solutions, and act.
The future of the planet is being shaped one city at a time — and moments like this remind us why city-to-city diplomacy matters more than ever.
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