Dear Colleagues, We would like to invite you to the following SPASS seminar, *Current trends and challenges in atmospheric CO2 monitoring* by Carina Geldhauser (ETH) on Tuesday 3.2.2026 at 14:00 CET in Aula Riunioni, Dipartimento di Matematica, Pisa. Best, F. Grotto on behalf of the organizers Abstract: In this era of rapid climate change, the precise monitoring of carbon dioxide emissions has become a critical task. We review current efforts to model the spatial propagation of CO2 concentration levels. We highlight the limitations of current results from isolated megacities for European setting: In Europe, the spatiotemporal distribution of CO2 is heavily influenced by atmospheric dynamics and terrestrial biospheric fluxes, hindering a succesful application of traditional modelling approaches. Hence, we prototyped the application of machine learning models to predict ground-level CO2 from satellite measurements. Our results show the effectiveness of integrating diverse data sources in capturing local emission patterns, highlighting the value of high-resolution atmospheric transport models.