In the early hours of September 15, 2026, Europe extended its eyes over the Earth as Copernicus Sentinel-3C lifted from the Kourou spaceport in French Guiana and found its place in orbit. The satellite joins a long-running effort to make the planet legible — tracking oceans, wildfires, droughts, and ice with the kind of patient, continuous attention that neither politics nor markets tend to sustain on their own. What distinguishes this endeavour is its founding conviction: that knowledge of the Earth's condition belongs to everyone, and so the data flows freely to farmers, scientists, cities,