(A pre-congress, B during the meeting, C post-congress)

A1 Potassium mining in Eastern Hesse A2 The Variscan Island Arc in the Odenwald Mts. A3 Spas and Water Management in Wiesbaden (canceled) A4 The Messel Pit, a Unesco Heritage Site A5 Geopark essentials 1 – Heppenheim: geology, culture and wine (canceled) B1 The European Space Agency (fully booked) B2 Art Nouveau in Darmstadt B3 Vineyards and Culture in the Rhinegau C1 The Groundwater of the Upper Rhinegraben C2 Cement Industry in Heidelberg (canceled) C3 - The Messel Pit, a Unesco Heritage Site (fully booked) C4 Mosbach Sands and Tertiary Limestones of the Mainz Basin (canceled) C5 Lignite Mining - Tagebau Hambach C6 Hardcoal mining, Bergwerk Saar (fully booked) C7 Power plant Staudinger (canceled) C8 Geopark Höhepunkte 2 – Rodenstein and Lindenfels: landscape, legends and culture on the roof of the Odenwald (canceled)