AWI EXPERT Gesine Mollenhauer is a geoscientist at the Marine Geochemistry Section of the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research in Bremerhaven, and a Professor of Organic [...] and to the permafrost regions of the Arctic. Since 2006, she is head of a research group at the Alfred Wegener Institute, in which she and her colleagues investigate the transport of organic materials to [...] marine sediments, as well as their impact on the global climate. Furthermore, she is head of the Alfred Wegener Institute’s 14C dating laboratory, which was founded in 2016, and has been the Speaker for G