| 09:00 - 09:10 | Introduction of the Science day | Gianpaolo Balsamo (ECMWF) and Philippe Peylin (LSCE) | 
| 09-10 - 09:30 | International Monitoring initiatives - Global IG3IS/WMO/UNFCCC | Oksana Tarasova (WMO/GAW) |  |  | 
| 09:30 - 09:50 | The European CO2 initiative in the international context | Greet Janssen-Maenhout (JRC) |  |  | 
| 09:50 - 10:10 | Discussions/Recomendations on the international context | 
| Uncertainties on the carbon cycle - satellites | Co-convened by Michael Buchwitz Julia Marshall | 
| 10:10 - 10:30 | Lessons learned in US (CMS) | Kevin Bowman (JPL) |  |  | 
| 10:30 - 11:00 | Coffee Break | 
| 11:00 - 11:20 | Atmospheric inversions using satellite observations (synthesis) | Frederic Chevallier |  |  | 
| 11:20 - 11:40 | Discussions/Recommendations | 
| Uncertainties on the carbon cycle - in-situ | Co-convened by Werner Kutch and Han Dolman | 
| 11:40 - 12:00 | Up-scaling in-situ observation | Sophia Walther |  |  | 
| 12:00 - 12:20 | Forest carbon sink estimates from machine learning | Philippe Ciais |  |  | 
| 12:20 - 12:40 | Impact of Forest management on C cycle | Gert-Jan Nabuurs |  |  | 
| 12:40 - 13:00 | Discussion/Recommendations | 
| 13:00 - 14:00 | Lunch Break | 
| Improving uncertainties associated to anthropogenic CO2 emissions | Co-convened by Gregoire Broquet and Hugo Denier van der Gon | 
| 14:00 - 14:20 | City-scale: lesson from US research activities | Thomas Lauvaux |  |  | 
| 14:20 - 14:40 | Monitoring the CO2 emissions from cities using space-borne images of CO2 and co-emitted species | Dominik Brunner |  |  | 
| 14:40 - 15:00 | Discussion/Recommendations | 
| 15:00 - 15:15 | Posters speedy presentation (1 min each) |  | 
| 15:15 - 16:00 | Coffee Break + Poster | 
| Other GHGs and CO2 co-emitted species | Co-convened by Maarten Krol and Peter Bergamaschi | 
| 16:00 - 16:20 | Summary of observation based estimates of the GHGs (Synthesis) | Rona Thompson |  |  | 
| 16:20 - 16:40 | CO2 remote sensing, the role of aerosols, and benefits of dedicated aerosol measurements | Sander Houweling |  |  | 
| 16:40 - 17:00 | Discussion/Recommendations | 
| Way forward | Co-convened by Vincent-Henri Peuch and Greet Maenhout | 
| 17:00 - 17:20 | Community Inversion Framework perspectives | Antoine Berchet |  |  | 
| 17:20 - 17:40 | Synergies/complementarities of CHE and VERIFY projects | Philippe Peylin, Gianpaolo Balsamo |  |  | 
| 17:40 - 18:00 | Operational perspectives | Richard Engelen, Anna Agusti-Panareda |  |  | 
| 18:00 - 18:30 | Discussion/Recommendations | 
| 19:00 | Dinner |