International city networks have become the new political infrastructure of the 21st century. They are spaces where local governments cooperate to influence rules, attract financing, share technical capabilities, and accelerate projects. They do not replace national diplomacy; they make it operational on the ground. In an era where supply chains, energy transition, and water security are decided by logistics corridors and metropolitan regions, the key question is no longer wh

In 2026, Latin America’s “trade architecture” can no longer be understood solely through foreign ministries and finance departments. It is being written—quietly but with massive impact—from urban customs facilities, metropolitan ports, industrial parks, and municipal data centers. The reason is straightforward: modern trade is no longer a tariff debate; it is a competition among supply chains. And supply chains live—quite literally—in cities. The close of 2025 delivered a cle