Profs. Josep Peñuelas and Iolanda Filella from the Global Ecology Unit (CSIC-CREAF) have been named in the Stanford University- Elsevier list of most-cited scientists in various disciplines worldwide. The database is created by experts at Stanford University and includes 100,000 top-scientists according to standardized information on citations, h-index, co-authorship adjusted hm-index, citations to papers in different authorship positions and a composite indicator (updated to citation year 2019).  

According to this database and for the year 2019:

Prof. Josep Peñuelas has been nominated among the four hundred most influential scientists in all fields and among the ten most influential scientists in ecological and environmental sciences (Meta-Research Innovation Center at Stanford – METRICS)

Prof. Iolanda Filella has been nominated among the eight hundred most influential scientists in plant biology (Meta-Research Innovation Center at Stanford – METRICS)

Prof. Jordi Sardans had been nominated among the six hundred most influential scientists in ecological and environmental sciences (Meta-Research Innovation Center at Stanford – METRICS)