The difference between a trawler and a fish farm is not what they produce, but the methods they employ to extract the product. It moves through green bonds, blended finance, corporate sustainability initiatives, and public-private partnerships designed to mobilize capital at scale. What distinguishes Medellin is that the core transit investments were structured from the outset around public ownership, local governance, and community participation. It begins with ownership: land remains one of the few levers cities still hold, and it is often the first one they concede in partnerships with foreign entities. This is where the distinction between the trawler and the fish farm matters.