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

09:15 - Air transport and Europe: economic, strategic and socio-cultural benefits, need to transition to a sustainable model
Prof. Stef PROOST KU Leuven

09:40 - Update on scientific knowledge of the impacts of aviation on climate: impacts of CO₂ emissions and "non CO₂" effects
Olivier BOUCHER Klima Consulting, formerly IPSL/Climaviation
Co-authors: Sylvain CROS IPSL/Climaviation, Jérémie JUVIN-QUARROZ IPSL/Climaviation

10:05 - Levers available to aeronautics industry and operators for decarbonising air transport and possible decarbonisation trajectories : an introduction 
Félix EGGERT ATAG

10:30 - Coffee Break

10:45 - 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

11:10 - Moderated Q&A Session. Nicolas GOURDAIN ISAE-SupAero

11:45 – Lunch break, networking, tour of booths and poster exhibition

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

Chairman: Philippe BEAUMIER ONERA

01:30 pm - Future thermal engines for lower CO₂ emissions: from incremental improvements to new designs
Jérôme BONINI Safran Aircraft Engines
Co-author Hervé MORVAN Rolls Royce

01:55 pm - Contributions of new generation and future medium to long range aircraft to decarbonisation
Bruno FICHEFEUX Airbus Commercial Aircraft

02:20 pm - Moderated Q&A Session

02:45 pm - Electric and hybrid propulsion: technical challenges for different aircraft classes and prospects for contributions to decarbonisation
Sébastien DEFOORT ONERA

03:10 pm - The perspective of an airline on decarbonisation and its contributions: fleet renewal, adoption of sustainable fuels, optimisation of operations
Daniel IRACANE Academy of Technologies

03:35 pm - Coffee break

04:05 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)

04:30 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
05:00 pm - Part 1: SAF market development issues
Daniel BROUSSE-RIVAS EASA, Eric MAURY Airbus Commercial Aircraft, Nicolas JEULAND Safran, Cornelius CLAEYS CleanMotion Advisory, Uyi IDAHOSA IATA, Mark RUMIZEN ASTM, Julien COLAS Vinci-Concessions

05:50 pm - Part 2: potential contribution of low and zero emission aircraft (electric, hybrid and hydrogen-electric propulsion) to decarbonization trajectories
Sébastien DUBOIS JU Cleanaviation, Jeremy CAUSSADE Aura Aero, Pierre FARJOUNEL ATR, Nicolas JEULAND Safran, Eric MAURY Airbus Commercial Aircraft

06:25 pm - Part 3: decarbonisation potential of optimised operations taking into account safety and capacity requirements
Stella SALDANA SESAR 3 Joint Undertaking (SJU), Thibaud FIGUEROA Thales Airspace Mobility, Marc BAUMGARTNER IFATCA

07:00-9:00 pm - Cocktail / Networking

Tour of booths and poster exhibition

20 NOVEMBER 2026

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

Chairman: Daniel CARIOLLE CERFACS

08:30 am - 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 am - Risk-informed strategies for high impact contrail avoidance: workflow, uncertainty management, and priorities for improvement
Marc STETTLER Imperial College London

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

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

10:20 am - Coffee break

10:35 am - 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 am - New large scale, uncertainty-aware airline-led contrail avoidance trials: results, lessons learnt and prospects
Irène BOYER-SOUCHET  Air France

11:25 am - 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 am - Round Table and discussion #02

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

Moderator: Philippe NOVELLI ONERA
11:55 am - Part 1: Potential for reduction of some scientific uncertainties using new observations
Nicolas BELLOUIN University of Reading Sorbonne Université, Timothy RAHMES Boeing Commercial Airplanes, Volker GREWE DLR-Oberpfaffenhofen, Sebastian EASTHAM Imperial College London

12:25 am - Part 2: Scaling up contrail avoidance to airspace: how, to which extent, when and for which climate benefit
Vincent TAVERNIERS EUROCONTROL (MUAC), Marc STETTLER Imperial College London, Chris DESEURE Thales AVS, Florian KUDERNA European Cockpit association, François ERAUD Air France, Jérôme DU BOUCHER Transport & Environment, Stella SALDANA SESAR 3 Joint Undertaking (SJU)

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?

Moderator: Alain RATIER AAE & Météo et Climat

Pr Stefan GÖSSLING Linnaeus University, Gonéri LE COZANNET Haut Conseil pour le Climat, Eddy LIEGEOIS European Commission, Kévin GUITTET DGAC, Uyi IDAHOSA IATA, Sébastien DUBOISJU Cleanaviation, Marylin BASTIN EUROCONTROL, Jérôme DU BOUCHER Transport & Environment

03:30 pm - Closing remarks
Dominique MARBOUTY Vice-President of Météo et Climat and Bruno STOUFFLET President of Air and Space Academy

03:45 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’