Global composites of Sentinel-3 OLCI canopy chlorophyll content at 8-day intervals. Credit: Remote Sensing of Environment (2025). DOI: 10.1016/j.rse.2025.114845 A common data basis is the prerequisite for efficient and informed action. Up to now, this has, however, been lacking for plant health, which is of great importance for global agriculture and climate research. Researchers at the Technical University of Munich (TUM) have developed a method to record