Booker Ogutu, Jadu Dash, Subhajit Bandopadhyay, Harry Morris, University of Southampton, United Kingdom; Gregory Duveiller, Max Planck Institute for Biogeochemistry, Germany; Luis Guanter, Universitat Politècnica de València, Spain; Elise BELAKEBI-JOLY, NOVELTIS, France; Cédric Bacour, Fabienne Maignan, Laboratoire des sciences du climat et de l'environnement, France; Stephen Plummer, European Space Agency, Italy