David Morrow returns! He discusses his unconventional transition from philosophy to integrated assessment modelling. @geoengineering1 gets schooled on how the GCAM model was modified to incorporate different CDR technologies, with varying levels of realism. Paper: "GCAM-CDR v1.0: enhancing the representation of carbon dioxide removal technologies and policies in an integrated assessment model" https://gmd.copernicus.org/articles/16/1105/2023/