@jgomezdans @trappmartin In Europe, the efforts on satellite-based retrieval have continued at a steady pace with the #FiduceEO project. #CCI teams and even new satellite missions (#CIMR, #TRUTH,...) try to embrace the #FiducEO approach all the way to geophysical products (Level-2).

It is hard, and sometimes an overkill, but with time we will get there.

FiducEO paper: https://iopscience.iop.org/article/10.1088/1681-7575/ab1705/meta

An recent example from #CCI :
https://doi.org/10.3390/rs14040875