This release provides the state of the reference implementation as described in the (currently in press at Earth System Dynamics):
Earth system modeling with endogenous and dynamic human societies: the copan:CORE open World-Earth modeling framework
Jonathan F. Donges, Jobst Heitzig, Wolfram Barfuss, Marc Wiedermann, Johannes A. Kassel, Tim Kittel, Jakob J. Kolb, Till Kolster, Finn Müller-Hansen, Ilona M. Otto, Kilian B. Zimmerer, Wolfgang Lucht
A preprint of the paper is found here: https://arxiv.org/abs/1909.13697