Using satellite data to track Ukraine’s counter-offensive

Although coverage of the war in Ukraine features prominently in social media, much of it is misinformation and misinterpretation. There is little intelligence about what is happening in Russian-controlled territory. Ukraine’s counter-offensive is shrouded in secrecy. But satellite imagery of fires can reveal what’s happening on the frontline. The Economist’s Senior data journalist, Sondre Ulvund Solstad, explains how.