Field study and laboratory experiments of hydrate-bearing sediments. Field study and laboratory experiments of hydrate-bearing sediments / Livio Ruffine -- Water Column Acoustics: Remote Detection of Gas Seeps / Carla Scalabrin, Stéphanie Dupré -- Geophysical Approach / Bruno Marsset -- Hydrate Seismic Detection / Stephan Ker -- Geomorphology of Gas Hydrate-Bearing Pockmark / Vincent Riboulot -- Geotechnics / Sébastien Garziglia -- Geochemistry / Livio Ruffine, Sandrine Chéron, Immanuel Ponzevera, Christophe Brandily, Patrice Woerther, Vivien Guyader, Audrey Boissier, Jean-Pierre Donval, Germain Bayon -- Benthic Ecosystem Study / Karine Olu, Laurent Toffin, Christophe Brandily -- Physicochemical Properties of Gas Hydrate-bearing Sediments / Ludovic Legoix, Elke Kossel, Christian Deusner, Livio Ruffine, Matthias Haeckel -- Small-scale Laboratory Studies of Key Geotechnical Properties which Cannot be Measured from In Situ Deployed Technologies / Sébastien Garziglia -- Modeling of Gas Hydrate-bearing Sediments and Case Studies. Modeling of Gas Hydrate-bearing Sediments and Case Studies -- Geomechanical Aspects / Assaf Klar, Shun Uchida -- Geochemical Aspects / Wei-Li Hong, Malgorzata Peszynska -- Geoscience and Industrial Applications. Geoscience and Industrial Applications -- Biogeochemical Dynamics of the Giant Pockmark Regab / Alexis De Prunelé, Karine Olu, Livio Ruffine, Hélène Ondréas, Jean-Claude Caprais, Germain Bayon, Anne-Sophie Alix, Julie Le Bruchec, Louis Géli -- Roles of Gas Hydrates for CO2 Geological Storage Purposes / André Burnol -- Hydrate-Based Removal of CO2 from CH4 + CO2 Gas Streams / Daniel Broseta, Christophe Dicharry, Jean-Philippe Torré -- Use of Hydrates for Cold Storage and Distribution in Refrigeration and Air-Conditioning Applications / Anthony Delahaye, Laurence Fournaison, Didier Dalmazzone.