MAL1/AS/CL/HS/OS – Alfred Wegener Medal Lecture by Michael L. Bender (co-organized)

MAL2/GD/GM/TS – Arthur Holmes Medal Lecture by Jean Braun (co-organized)

MAL3/PS/ST – Jean Dominique Cassini Medal Lecture by Margaret G. Kivelson (co-organized)

MAL9/SM – Beno Gutenberg Medal Lecture by Annie Souriau (co-organized)

MAL14/HS – Henry Darcy Medal Lecture by Petra Döll (co-organized)

MAL15/ESSI – Ian McHarg Medal Lecture by Stefano Nativi (co-organized)

MAL17/HS – John Dalton Medal Lecture by Günter Blöschl (co-organized)

MAL20/CR – Louis Agassiz Medal Lecture by Andreas Kääb (co-organized)

MAL21/EMRP – Louis Néel Medal Lecture by Chris Marone (co-organized)

MAL23/EMRP – Petrus Peregrinus Medal Lecture by Catherine Kissel (co-organized)

MAL24/SSS – Philippe Duchaufour Medal Lecture by Claire Chenu (co-organized)

MAL26/GM – Ralph Alger Bagnold Medal Lecture by David L. Egholm (co-organized)

MAL31/G – Vening Meinesz Medal Lecture by Tonie van Dam (co-organized)

AS1.18 – Mid-latitude Dynamics, Cyclones and Storms: Diagnostics, Trends, and Impacts (AS Division Outstanding ECS Lecture by Gabriele Messori)

AS3.15 – Air Pollution Modelling (including Vilhelm Bjerknes Medal Lecture by Johannes Lelieveld)

BG3.1 – Biogeochemistry of coastal seas and continental shelves (including Vladimir Ivanovich Vernadsky Medal Lecture by Kurt O. Konhauser) (co-organized)

CL1.07 – Climate response to orbital forcing (including Milutin Milankovic Medal Lecture by Jacques Laskar) (co-organized)

CL1.15 – On the dynamics of Dansgaard-Oeschger events; perspectives from paleoclimate data and modeling (including Hans Oeschger Medal Lecture by Edward J. Brook) (co-organized)

CL4.24 – Dynamics and impacts of tropical-extratropical variability and teleconnections from interannual to multidecadal time scales, including tropical Atlantic (including Arne Richter Award for Outstanding ECS Lecture by Amanda C. Maycock) (co-organized)

CR2.1 – Remote sensing of the cryosphere (including Arne Richter Award for Outstanding ECS Lecture by Marie Dumont)

G2.6 – Simulation studies to improve Earth system parameters and identification of new strategies for consistent geodetic products (including G Division Outstanding ECS Lecture by Benedikt Soja)

GD3.1 – Dynamics of the mantle in the Earth and planetary bodies: from magma oceans to the present day (including Augustus Love Medal lecture by Anne Davaille) (co-organized)

GD3.6 – Mantle Structure and Evolution: Combining Seismological and Geodynamical Constraints Across Scales (including Arne Richter Award for Outstanding ECS Lecture by Mathew Domeier) (co-organized)

GI1.1 – Open Session on Geosciences Instrumentation and Methods (including Christiaan Huygens Medal Lecture by Lev V. Eppelbaum)

GM2.2 – High Resolution Topography in the Geosciences: Methods and Applications (including Arne Richter Award for Outstanding ECS Lecture by Giulia Sofia) (co-sponsored by JpGU) (co-organized)

GMPV1.1 – Open Session on Geochemistry, Mineralogy, Petrology and Volcanology (including Robert Wilhelm Bunsen Medal Lecture by Daniela Rubatto and GMPV Division Outstanding ECS Lecture by Evangelos Moulas)

HS5.2.2 – Advances in Socio-Hydrology (including HS Division Outstanding ECS Lecture by Serena Ceola)

NH3.6 – Prediction and forecasting of landslides (including Sergey Soloviev Medal Lecture by Kyoji Sassa) (co-organized)

NH5.1 – Tsunami (NH Division Outstanding ECS Lecture by Jadranka Šepić) (co-sponsored by JpGU) (co-organized)

NH9.1 – Global and continental scale risk assessment for natural hazards: methods and practice (including Plinius Medal Lecture by Philip J. Ward) (co-organized)

NP3.2 – Scaling and nonlinear dynamics in the atmosphere, ocean and geosciences (including Lewis Fry Richardson Medal Lecture by Shaun Lovejoy)

OS1.1 – Open Session on Ocean Circulation and Climate (including Fridtjof Nansen Medal Lecture by Anne-Marie Tréguier)

OS3.1 – Ocean biogeochemistry, circulation and climate: recent advances and novel approaches to synthesis and predictions (including OS Division Outstanding ECS Lecture by Peter Landschützer) (co-organized)

PS1.3 – Mars Science and Exploration (including PS Division Outstanding ECS Lecture by John Carter)

PS3.1 – Gas Giants and Pluto Systems (including Runcorn-Florenksy Medal Lecture by Tim Van Hoolst) (co-organised with EPSC-OPS)

SM1.1 – General Contributions on Earthquakes, Earth Structure, Seismology (including SM Division Outstanding ECS Lecture by Piero Poli)

SSP2.2 – Integrated Stratigraphy - Recent advances in stratigraphic systems and age modelling to constrain rates of change in the Earth System (including SSP Division Outstanding ECS Lecture by Christian Zeeden) (co-sponsored by ICS and ISSC) (co-organized)

SSP2.5 – Paleozoic to Mesozoic stratigraphy, paleoceanography and paleoclimate (including Jean Baptiste Lamarck Medal Lecture by Isabel P. Montañez) (co-sponsored by IAS) (co-organized)

SSS4.2 – The rhizosphere and plant-soil-microbial interactions (including SSS Division Outstanding ECS Lecture by Bahar S. Razavi)

ST1.1 – Open Session on the Sun and Heliosphere (including Hannes Alfvén Medal Lecture by Daniel N. Baker)

ST2.1 – Open Session on the Magnetosphere (including Julius Bartels Medal Lecture by Masatoshi Yamauchi)

ST3.1 – Open Session on the Ionosphere and Thermosphere (including ST Division Outstanding ECS Lecture by Chao Xiong)

TS7.4 – Geodynamics of continent collisions: subduction, collision and exhumation processes (including TS Division Outstanding ECS Lecture by Daniel Pastor-Galán) (co-organized)

TS9.3 – The impact of mantle serpentinization on the evolution of rifted margins, oceanic ridges & subduction zones: new insights from geophysical & petrological observations, & numerical/analogue modelling (incl. Stephan Mueller Medal Lecture by Serge Lallemand) (co-organized)