Premis Ciutat de Barcelona 2018 had been marked with a ceremony held on 14 February 2019, at the  Saló de Cent, Barcelona City Hall, and presided by the mayor Ada Colau.

The jury formed by Isabel Cacho (president), Xavier Rodó, Francisco J. Doblas, Jaume Terradas and Frederic Bartomeus have awarded Marcos Fernández-Martínez, Jordi Sardans and Josep Peñuelas for their work “Global trends in carbon sinks and their relationships with CO2 and temperature” publicated in the Nature Climate Change journal.