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Robert Frei is a Professor of Geochemistry at the Department of Geosciences and Natural Resource Management, University of Copenhagen, where he has been employed since 1999. His academic journey began at ETH Zürich, where he completed his PhD in 1992, followed by postdoctoral work at the University of Bern. He joined the University of Copenhagen as Laboratory Manager in 1997 before becoming a full professor. His research focuses on applying isotope geochemistry to understand Earth's history, particularly using cadmium, chromium, and other non-traditional isotope systems as tracers of paleoenvironmental conditions. His work spans from Precambrian oxygenation events to more recent climate changes, including the Cretaceous-Paleogene boundary and Bronze Age human mobility studies. Professor Frei's publications demonstrate a clear trend toward interdisciplinary research, bridging geochemistry with archaeology, paleoclimatology, and oceanography. His recent papers show increasing focus on using multi-isotope approaches (particularly Cd-Cr systems) to unravel complex biogeochemical processes across major geological transitions. The research spans from ancient Earth history to contemporary climate issues, demonstrating remarkable versatility. His scientific recognition includes: Membership in the Royal Danish Academy of Sciences and Letters (since 2004) 396 peer-reviewed journal articles with an H-index of 79 Over 20,000 citations according to Google Scholar Professor Frei has successfully supervised 17 PhD students and 7 postdoctoral researchers. His research has been supported by substantial grants including: Independent Research Fund Denmark projects totaling over DKK 14 million Carlsberg Foundation grants exceeding DKK 7 million European Commission Marie Skłodowska-Curie Actions funding (Euro 3.75 million) Co-founding the Nordic Center for Earth Evolution (NordCEE) with DKK 88 million funding He leads research in the Danish Center for Isotope Geology, operating advanced facilities including LA-ICP-MS and TIMS instruments. His international collaborations span Europe, North America, and South America, reflecting the global nature of his research on Earth's geochemical evolution.

• Isotope Geochemistry
• Paleoclimate Research
• Geochronology
• +5 more

Sofia Isabel dos Santos Ribeiro serves as an Associate Professor at the University of Copenhagen's Globe Institute within the Section for Geogenetics. Her research program focuses on understanding Arctic climate dynamics through innovative molecular approaches to marine sediment analysis, with particular emphasis on Greenland's marine environments. Dr. Ribeiro's research interests span Climate change, Paleoecology, Paleoceanography, Marine protists, Biogeosciences, and Arctic Marine Ecology. She employs cutting-edge techniques including sedimentary ancient DNA analysis, environmental DNA metabarcoding, and micropaleontological methods to reconstruct past environmental conditions and understand current climate change impacts. Her work integrates geological, biological, and molecular approaches to investigate marine ecosystem responses to climate variability across millennial timescales. Analysis of her recent publications reveals a strong focus on Arctic climate dynamics, particularly examining Greenland's marine systems through the lens of sedimentary records. Her research consistently bridges paleoclimate reconstruction with contemporary climate change understanding, with significant contributions to understanding ice sheet-ocean interactions, marine ecosystem responses, and Arctic sea ice history using molecular biomarkers. Dr. Ribeiro maintains an extensive collaborative network across international institutions, as evidenced by her multi-authored publications in high-impact journals including Nature Communications and Communications Earth and Environment. Her work has gained substantial scholarly attention with numerous citations and wide dissemination through academic platforms. As an academic supervisor, Dr. Ribeiro has contributed to doctoral training as indicated by her involvement in Ph.D. theses. Her research has attracted significant attention in the scientific community, with multiple publications covered by news outlets, referenced in Wikipedia, and widely shared across academic social media platforms. Her laboratory work centers on analyzing marine sediment records from Arctic regions using advanced molecular techniques to extract environmental DNA and reconstruct past ecosystems. This research provides critical insights into how marine ecosystems respond to climate change over different timescales, with important implications for understanding current and future climate impacts in polar regions.

• Climate change
• Paleoecology
• Paleoceanography
• +3 more

Rebecca Jackson serves as a Guest Researcher at the Section for Geogenetics within the Globe Institute at the University of Copenhagen. Her position is formally classified under the academic rank of Researcher, indicating active engagement in scholarly work despite the "Guest" designation. Her research portfolio demonstrates deep expertise in paleoclimatology and ancient environmental DNA analysis , with particular focus on Arctic marine systems. Key interests include: Sedimentary ancient DNA applications Quaternary climate dynamics Arctic sea ice history Marine sediment records Ice sheet collapse events Marine ecosystem responses to climate change Analysis of her publication record (2022-2025) reveals a consistent methodological approach centered on sedimentary biomarkers and ancient DNA to reconstruct past environmental conditions. Her work spans multiple Arctic regions including Baffin Bay, Greenland shelf, and Northern Greenland, with recent publications appearing in high-impact journals like Nature Communications and Communications Earth and Environment. Notably, she participates in large-scale collaborative initiatives including the Trans-Omics for Precision Medicine (TOPMed) program. Her research demonstrates significant cross-disciplinary reach, connecting geoscience with medical genetics through projects examining coagulation factors and cardiovascular disease. The Section for Geogenetics provides the institutional framework for her work on environmental DNA extraction and analysis, with strong emphasis on marine sediment cores as climate archives.

• Paleoclimatology
• Ancient DNA
• Marine Sediment Analysis
• +3 more

Christian J. Bjerrum is a Professor in the Department of Geosciences and Natural Resource Management within the Faculty of Science at the University of Copenhagen. His research focuses on paleoceanography, biogeochemical cycles, and Earth system evolution across geological timescales. He maintains an active research program with extensive international collaborations. Matriculated at University of Copenhagen (1988) M.Sc. in Geology, University of Copenhagen (1994) Ph.D. in Geology, University of Copenhagen (1999) His research interests center on conditions for anoxia in sedimentary basins throughout Earth History, Earth's geobiological co-evolution, and paleoclimatic processes during Mesozoic greenhouse periods. He specializes in numerical modeling of physical paleoceanography and mathematical modeling of biogeochemical cycling using coupled ocean-atmosphere models, incorporating geochemical tracers for direct comparison with geological records. His work spans basin-scale to global modeling approaches. Analysis of his recent publications (2023-2025) reveals consistent focus on ocean deoxygenation events , biogeochemical modeling across critical geological boundaries (Triassic-Jurassic, Cretaceous-Paleogene), and methodological advances in Earth system modeling. Key themes include sulfur cycle dynamics in estuaries, plankton trait-based modeling, and orbital-scale climatic changes recorded in sedimentary sequences. Fulbright Scholarship, USA (1992-1993) Bjerrum has supervised 2 postdocs, 1 PhD as primary supervisor, and 1 PhD as co-supervisor, with additional external supervision roles at University of Southern Denmark and University of Copenhagen. His research has been supported by Geocenter Denmark, Danish Natural Science Research Council, and major grants including the Nordic Center for Earth Evolution (NordCEE; 40 million DKK 2005-2010, 45 million DKK 2010-2015) and Cretaceous Research Centre. He has served on the Graduate Study Council, chaired search committees, and refereed for top journals including Nature and Geology. His field work includes expeditions to Greenland, Arizona, Germany, and England.

• paleoceanography
• biogeochemical cycles
• paleoclimate
• +7 more

Professor Eline Lorenzen leads the Molecular Ecology and Global Climate Change group at the Globe Institute, University of Copenhagen , while also serving as Curator of Mammalogy at the Natural History Museum of Denmark. Her research bridges molecular techniques with natural history to study species adaptation to environmental shifts, focusing on Arctic and Neotropical ecosystems. Education PhD in Biology, University of Copenhagen (2009) MSc in Biology, University of Copenhagen (2003) Research Themes Lorenzen's work integrates ancient DNA , stable isotope analysis , and ecological niche modeling to reconstruct species' responses to climate change across millennia. She specializes in conservation genomics for Arctic megafauna (e.g., polar bears, woolly rhinoceroses) and sustainable hunting practices in Indigenous communities. Scientific Impact Her 2024-2025 publications reveal critical insights into Arctic marine mammal distributions , 700 years of beluga hunting sustainability , and 52,000 years of woolly rhinoceros population dynamics . These studies highlight genomic adaptations to climate shifts and historical biodiversity patterns. Honors & Grants EliteForsk Prize (2023) Royal Danish Academy Fellow (2022) Carlsberg Semper Ardens (2023) Villum YIP+ (2021) UNESCO-L’Oreal Denmark (2012) Leadership & Outreach Lorenzen advises the IUCN Species Survival Commission , chairs the Council for Zoological Facilities (2025-2028), and contributes to NASA's climate communication . She has trained through Denmark's Formidlingsakademiet and appeared in over 40 news outlets, including New York Times and Washington Post . Her DR P1 and TV2 interviews translate complex science into accessible narratives.

• Molecular ecology
• Evolutionary ecology
• Palaeoecology
• +7 more

Laura Jane Cotton serves as an Associate Professor and Curator of Palaeontology at The Natural History Museum, University of Copenhagen. Her research focuses on the interactions between shallow marine ecosystems and climate change over the last 65 million years (Cenozoic era), with particular expertise in larger benthic foraminifera (LBF). As a curator, she maintains and studies fossil collections while conducting cutting-edge research in paleoceanography and climate science. Dr. Cotton's research interests center on using invertebrate fossils, geochemistry, and modern physiological data to understand how shelf ecosystems respond to major climate perturbations. Her specialty lies in larger benthic foraminifera—single-celled organisms with calcareous shells that can reach sizes greater than 10 cm in diameter. These organisms live in warm shallow seas and harbor symbionts similar to corals, making them excellent indicators for examining how reef-type environments have responded to past climate events. Her work spans multiple temporal and geographic scales, integrating diverse paleontological and geochemical approaches. Analysis of her recent publications reveals a strong focus on Cenozoic climate change impacts, with particular attention to foraminiferal responses across major climate transitions. Her research bridges traditional paleontology with modern geochemical techniques, creating innovative approaches to reconstruct past environmental conditions. She frequently collaborates internationally, with research spanning locations from Denmark and Iran to Indonesia and Hawaii, demonstrating the global scope of her paleontological investigations. Dr. Cotton maintains an active research program with numerous recent publications in high-impact journals including Palaeontology , Geochimica et Cosmochimica Acta , and Journal of Paleontology . Her work has garnered significant attention in the scientific community, with multiple papers receiving notable citations and downloads. As a curator and educator, Dr. Cotton bridges the gap between museum collections and academic research, ensuring that fossil specimens are both preserved for future study and actively used in contemporary climate research. Her dual role allows her to connect historical collections with modern analytical techniques, providing valuable insights into long-term ecological and climatic patterns.

• Palaeontology
• Marine Paleontology
• Climate Change Impacts
• +5 more

Mikkel Winther Pedersen serves as a Tenure Track Assistant Professor at the Section for Geogenetics within the Globe Institute of the University of Copenhagen's Faculty of Health and Medical Sciences. His research bridges archaeology, ecology, and genomics to investigate historical biodiversity patterns and human impacts on ecosystems through advanced ancient and environmental DNA analysis techniques. Dr. Pedersen's research focuses on developing and applying cutting-edge methodologies for extracting and analyzing genetic material from ancient and degraded samples. His expertise spans paleogenomics, environmental DNA applications, marine biodiversity reconstruction, and archaeogenetics. His work provides critical insights into ecological changes over millennia by examining DNA preserved in marine sediments, archaeological specimens, and museum collections. His recent publications reveal a strong emphasis on methodological rigor in ancient DNA studies, with significant contributions to understanding DNA degradation processes, optimizing decontamination protocols, and validating analytical approaches for paleogenomic research. Dr. Pedersen's work has particular relevance for marine ecosystem conservation and understanding pre-industrial human impacts on biodiversity. Dr. Pedersen maintains an extensive collaborative network, as evidenced by his numerous multi-institutional publications appearing in high-impact journals including Philosophical Transactions of the Royal Society B, Journal of Archaeological Science, Molecular Ecology Resources, and Communications Biology. His research has garnered significant attention across academic platforms including X (formerly Twitter), Bluesky, and Mendeley.

• Ancient DNA
• Environmental DNA
• Paleogenomics
• +3 more

Johannes Jakob Lohmann is an Assistant Professor at the Physics of Ice, Climate and Earth research group within the Niels Bohr Institute at the University of Copenhagen. His research focuses on understanding complex Earth system dynamics, particularly related to climate tipping points, ocean circulation patterns, and paleoclimate reconstruction using ice core data. His research interests span climate science, paleoclimatology, and nonlinear dynamics, with particular emphasis on climate tipping points , ocean circulation stability , ice core analysis , and volcanic impacts on climate . Lohmann employs mathematical modeling approaches to understand critical transitions in Earth's climate system. Lohmann's publication record shows a strong focus on climate tipping points and Earth system interactions, with multiple high-impact publications in journals like Science Advances, Earth System Dynamics, and Physical Review Fluids. His work often involves international collaborations across climate science disciplines. Lohmann has received significant attention for his research, with several publications being widely covered in news outlets, mentioned in policy sources, and referenced in Wikipedia pages. His work on climate tipping points has been particularly influential in understanding potential climate system vulnerabilities. His current research appears to focus on developing early warning systems for climate tipping points and understanding the complex interactions between different Earth system components that could lead to cascading climate effects.

• Climate Science
• Paleoclimatology
• Ice Core Analysis
• +5 more

Bo Møllesøe Vinther is an Associate Professor at the Niels Bohr Institute , University of Copenhagen , specializing in Ice, Climate and Geophysics . His research focuses on reconstructing past climate systems through ice core analysis, with particular emphasis on Greenland climate dynamics , volcanic eruption impacts , and historical pollution patterns . Research Interests Vinther's work explores the intersection of climate science and geophysics, particularly through ice core chemistry , atmospheric pollutant transport , and volcanic-climate interactions . His recent publications highlight Dansgaard-Oeschger abrupt warming events , medieval volcanic eruptions , and lead pollution histories from Roman mining . Scientific Contributions Co-author on 131 publications Expert in ice core dating and chemical analysis Research linking climate change to human historical impacts Affiliations University of Copenhagen Danish Geophysical Association (since 2003)

• Climate Science
• Geophysics
• Ice Core Analysis
• +4 more

Marianne Glasius is an Associate Professor at Aarhus University's Department of Chemistry and affiliated with both the Arctic Research Centre and Interdisciplinary Nanoscience Center. She holds a PhD from University of Southern Denmark and specializes in atmospheric chemistry, aerosol science, and environmental analytical methods. Her research examines atmospheric processes including secondary organic aerosol formation, biogenic volatile compounds, and Arctic pollution. She develops advanced analytical techniques for characterizing organic compounds in environmental samples, employing chromatography-mass spectrometry and novel field sampling methods. Dr. Glasius leads significant research projects including BIOVALUE (2013-2018) and CRAICC (2011-2015) investigating atmospheric-ice interactions in changing Arctic climates. Her publications demonstrate consistent focus on aerosol chemistry, climate feedback mechanisms, and environmental analytical method development. She serves as Editor for Environmental Science Processes & Impacts and participates in international atmospheric science initiatives. Her recent work includes field expeditions to investigate organic aerosols in Arctic environments and studies of candle emission impacts on indoor air chemistry.

• Atmospheric Chemistry
• Analytical Chemistry
• Aerosol Science
• +3 more

Tais Wittchen Dahl is an Associate Professor of Geobiology at the University of Copenhagen, holding dual appointments at the Globe Institute (Section for Geobiology) and the Department of Geosciences and Natural Resource Management (Geology). Her research focuses on reconstructing Earth's climate and oxygenation history through geochemical experiments, observations in the rock record, and theoretical Earth system modeling, with particular emphasis on the co-evolution of life and Earth's environment. Education: PhD in Geochemistry, University of Copenhagen (2005-2009) MSc in Geophysics, University of Copenhagen (2004-2005) BSc in Physics, University of Copenhagen (2000-2004) Dahl's research interests span biogeochemistry, geobiology, isotope geochemistry, environmental science, planetary science, and geology. Her work centers on understanding the co-evolution of life and Earth's environment, particularly focusing on oxygenation events throughout Earth's history and their relationship to biological evolution. She has made significant contributions to our understanding of metal-silicate mixing during planetary accretion, molybdenum isotope composition in ancient oceans, and the impact of early land plants on Earth's oxygen levels. Analysis of her recent publications reveals a consistent focus on Earth's oxygenation history, with particular emphasis on the Cambrian and Devonian periods. Her work often combines geochemical analyses (particularly molybdenum and uranium isotopes) with paleontological data to reconstruct ancient ocean conditions and their relationship to evolutionary events. A recurring theme is the investigation of marine anoxia events and their impact on biogeochemical cycles throughout Earth's history, with methodological innovations in trace metal analysis. Scientific Awards: Adjunct Professor at China University of Geosciences, Wuhan (2019) ERC Starting Grant Interview, Panel PE10 (2016) Inge Lehmann's Scholarship for research visit at University of Exeter (2013) Member of the board, Young Academy, Royal Danish Academy of Sciences and Letters (2012) Villum Young Investigator Programme (2013) Carlsberg Distinguished Associate Professor Fellowship (2017) Dahl has supervised numerous students including MSc Julius Havsteen, MSc Sune F. Månsson, and others. Her research has been supported by significant grants including the Carlsberg Distinguished Associate Professor Fellowship (2017), Villum Foundation Young Investigator Grant (2013-15), and multiple grants from the Danish Council for Independent Research. She has organized EarthTalks bi-weekly seminars through Geocenter Danmark (2017-19) and received infrastructure funding from the Carlsberg Foundation (2015). Dahl leads a highly cross-disciplinary research group that bridges planetary sciences, climate science, and geophysics with geochemistry. Her team collaborates with research groups nationally and internationally, reflecting the global nature of Earth system science. Her work has been published in top journals including Nature Geoscience, PNAS, and Earth and Planetary Science Letters, and has generated significant public interest through press releases and media appearances.

• Biogeochemistry
• Geobiology
• Isotope Geochemistry
• +5 more