Georgina Falster, Washington University in St Louis, Department of Earth and Planetary Sciences, St. Louis, MO, United States, Bronwen L Konecky, Washington University in St Louis, Earth and Planetary Sciences, St. Louis, MO, United States, Nicholas McKay, Northern Arizona University, School of Earth and Sustainability, Flagstaff, AZ, United States, Alyssa R. Atwood, Florida State University, Earth, Ocean, and Atmospheric Science, Tallahassee, FL, United States, Jessica L Conroy, University of Illinois at Urbana Champaign, Urbana, IL, United States, Matthew Fischer, Australian Nuclear Science and Technology Organization, Kirrawee, Australia, Matthew Jones, University of Nottingham, Nottingham, United Kingdom, Lukas Jonkers, MARUM - University of Bremen, Bremen, Germany, Samantha Stevenson, University of California, Santa Barbara, Bren School of Environmental Science and Management, Santa Barbara, CA, United States, Diane M Thompson, University of Arizona, Department of Geosciences, Tucson, AZ, United States, Jonathan James Tyler, University of Adelaide, Adelaide, Australia and Pages Iso2K Project Members, Past Global Changes, Bern, Switzerland