19 NOVEMBER 2026

09:00 - Official Opening
Patrick JOSSE Director of Meteorological Services, Météo-France, Jean JOUZEL President of Météo et Climat, Bruno STOUFFLET President of Air and Space Academy

Session 1: Setting the scene

Chairman: Laurent JOLY ISAE-SUPAERO

09:25 - Air transport and Europe: economic, strategic and socio-cultural benefits, need to transition to a sustainable model
Prof. Stef PROOST KU Leuven

09:50 - Update on scientific knowledge of the impacts of aviation on climate: impacts of CO₂ emissions and "non CO₂" effects
Olivier BOUCHER Klima

10:15 - Coffee Break

10:45 - Levers available to aeronautics industry and operators for decarbonising air transport and possible decarbonisation trajectories : an introduction 
Félix EGGERT ATAG

11:10 - European Union policies for mitigating the climate impacts of aviation in the international context: objectives and commitments, legislation and support programmes
Jo DARDENNE European Commission

11:45 - Q&A Short Session

12.15 – Lunch break, networking, tour of booths and poster exhibition

Session 2: Decarbonisation through industrial innovation and climate-optimised operations

02:15 pm - Future thermal engines for lower CO₂ emissions: from incremental improvements to new designs
Jérôme BONINI Safran Aircraft Engines

02:40 pm - Contributions of new generation and future medium to long range aircraft to decarbonisation
Bruno FICHEFEUX Airbus Commercial Aircraft

03:05 pm - Coffee break

03:20 pm - Electric and hybrid propulsion: technical challenges for different aircraft classes and prospects for contributions to decarbonisation
Sébastien DEFOORT Onera

03:45 pm - The perspective of an airline on decarbonisation and its contributions: fleet renewal, adoption of sustainable fuels, optimisation of operations
Daniel IRACANE Académie des technologies

04:10 pm - Reduction of CO₂ emissions by optimisation of flights and air traffic and low carbon taxiing, illustrated by results from the SESAR CONCERTO and HERON projects
Stella SALDANA SESAR 3 Joint Undertaking (SJU)

04:35 pm - The perspective of an airline on decarbonisation and its contributions: fleet renewal, adoption of sustainable fuels, optimisation of operations

05:00 pm - Round Table and discussion #01

How can we combine all available levers to achieve the best possible decarbonisation trajectory, taking economic realities into account?
Moderator: Kévin GUITTET DGAC
Jeremy CAUSSADE Aura Aero, Sébastien DUBOIS JU Cleanaviation,  Pierre FARJOUNEL ATR Aircraft, Thibaud FIGUEROA Thales Airspace Mobility Solutions, Uyi IDAHOSA IATA, Nicolas JEULAND Safran, Eric MAURY Airbus Commercial Aircraft, Stella SALDANA SESAR 3 Joint Undertaking (SJU)

06:30 pm - End of the day

06:30-9:00 pm - Cocktail, networking, tour of booths and poster exhibition

20 NOVEMBER 2026

Session 3: Mitigating the impacts of "non CO₂" effects

Chairman: CARIOLLE CERFACS

08:30 - Managing non CO₂ emissions and non CO₂ effects ‘at source’: trading off engine optimisation and use of sustainable fuels
Nicolas JEULAND Safran and Thomas VIGUIER Airbus

09:00 - Risk-informed strategies for high impact contrail avoidance: workflow, uncertainty management, and priorities for improvement
Marc STETTLER Imperial College London

09:30 - Progress in short range numerical prediction of ice-supersaturated regions and improvement pathways
Pierre CRISPEL Météo France

09:55 - Towards a European network of observation supersites for contrail tracking, attribution to flights and assessment of contrail prediction models
Philippe VERY Eurocontrol

10:20 - Coffee break

10:35 - Potential of observations from new weather satellites for improving contrail cirrus cloud characterisation and forecasts of temperature and humidity in the upper troposphere
Bojan BOJKOV EUMETSAT

11:00 - New large scale, uncertainty-aware airline-led contrail avoidance trials: results, lessons learnt and prospects
Irène BOYER-SOUCHET  Air France

11:25 - New systems to support the avoidance of high-impact contrails at the airspace level based on collaborative decision-making
Chris DESEURE Thales AVS

11:55 - Round Table and discussion #02

En-route to operational prevention of high impact contrails at airspace-scale ?

Moderator: Philippe NOVELLI ONERA
Nicolas BELLOUIN University of Reading Sorbonne Université, Chris DESEURE Thales AVS, Jérôme DU BOUCHER Transport & Environment, Volker GREWE DLR-Oberpfaffenhofen, Florian KUDERNA European Cockpit association, Timothy RAHMES Boeing Commercial Airplanes, Stella SALDANA SESAR 3 Joint Undertaking (SJU), Vincent TAVERNIERS EUROCONTROL (MUAC)

01:15 pm - Lunch break

02:00 pm - Final Round Table and discussion #03

How might European public policies evolve to reconcile the fight against climate change with competitiveness in a global market, in a context of high international tensions?
Marylin BASTIN Eurocontrol, Sébastien DUBOIS JU Cleanaviation, Jérôme DU BOUCHER Transport & Environment, Pr Stefan GÖSSLING Linnaeus University, Kévin GUITTET DGAC, Uyi IDAHOSA IATA, Gonéri LE COZANNET Haut Conseil pour le Climat, Eddy LIEGEOIS European Commission

3.30 pm – Coffee break

03:45 pm - Closing remarks
Jean JOUZEL President of Météo et Climat and Bruno STOUFFLET President of Air and Space Academy

04:00 pm - End of the conference

Programme supplements and opportunities
As programme supplements, and within the limits of available capacity, the conference will offer scientists the opportunity to submit posters and will offer start-ups whose activities contribute directly to the transition to sustainable aviation the opportunity to showcase themselves at a ‘mini-booth’