Andreas Petzold from the Department of Global Observation at the Institute of Energy and Climate Research – 8 Troposphere of Forschungszentrum Jülich is a great believer in Research Infrastructures. As well as lecturing at the University of Wuppertal, he coordinates the Research Infrastructure IAGOS and the infrastructure project ENVRI-FAIR. IAGOS, the In-service Aircraft for a Global Observing System delivers a time and spatially resolved multi-component dataset on atmospheric Essenti...