The Science in The Fiction
This is both a science and a science fiction podcast. We dig deep into the biggest ideas in science fiction, using science to elevate the conversation about sci-fi, and sci-fi to promote science education, curiosity and vision. We talk to science fiction authors about the science in their fiction, then talk to scientists about the same topic, and catalyze conversations between the two.
The Science in The Fiction
Ep 38: Mark Milne on Geoengineering in 'The Ministry for the Future'
In this episode we talk to Mark Milne as a follow-up on our interviews with science fiction author Kim Stanley Robinson and glaciologist Heidi Sevestre in episodes 21 and 22, on the topic of Geoengineering as portrayed in Kim Stanley Robinson’s book 'The Ministry for the Future'. Mark speaks about a number of strategies for mitigating climate change by cooling the planet through increasing its albedo, or reflectivity. The overarching strategy that we discuss is Solar Radiation Management (SRM), and we tackle a number of different possibilities under this umbrella: stratospheric aerosol injection (SAI), marine cloud brightening, high albedo crops, reforestation, white paint, terrestrial mirrors and the Goliath that everyone likes to slay - space mirrors. Mark makes the case that terrestrial mirrors are our best hope for immediate implementation, with little or no dangerous side effects, especially in the context of canopies over agricultural land which can be created with current materials from landfill; if 10% of all agricultural land were covered with these semi-transparent mirrors it would provide enough global reflectivity to adequately offset our warming trend and avoid climate disaster. Marty proposes a sci-fi idea about adding engineered enzymes to create the materials we need, and Mark claims that if we don’t solve the climate crisis within a few decades it won’t be the heat that kills us, it’ll be people – due to the degradation of our social and economic systems. We also talk about governance and consent, what motivates scientists and determines the science we pursue, termination shock, carbon sequestration, engineering efficiency and economic policy initiatives related to modern monetary theory.
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