In this fact-packed monster episode, Matthew Realff brings news of Georgia Tech's amazing fibre DAC sorbents. Then he EVENTUALLY gets round to talking about his actual paper, as well as explaining lots about the fundamental cost and energy efficiency limits of DAC. @geoengineering1 was loving all the new info. https://onlinelibrary.wiley.com/doi/abs/10.1002/ghg.2136

Assessing the physical potential capacity of direct air capture with integrated supply of low-carbon energy sources

Steffen Fahr, Julian Powell, Alice Favero, Anthony J. Giarrusso, Ryan P. Lively, Matthew J. Realff