Climate science and technology policy since 1989. Building Climate Systems Engineering @UChicago. Founded Carbon Engineering. Bluesky: @davidkeith.bsky.social

2/3 Chicago & 1/3 Canmore
Joined September 2015
New paper: "Solar Geoengineering: History, Methods, Governance, Prospects" by @parson_ted & me in Annual Reviews. Full text at: davidkeith.earth/publication… I am particularly proud of this paper. This thread provides some highlights: 1/8
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My colleague Dan Fabrycky has found new orbits for space dust that could shade Earth. Here he is in the latest CSEi Research Spotlight video: youtu.be/ch0xScOpu4A
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I remain excited by the breadth of interest in climate engineering among @UChicago faculty and the diversity of research ideas. See our funded research here: climateengineering.uchicago.…
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"Just 8% favoured secession itself, even in principle, based on the gauzy fantasies – an effortless break followed by eternal prosperity – spun by the secessionist campaign...After months of debate, fewer Albertans support secession than believe the moon landings were faked."
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Today I’m in Reykjavík for a major meeting on climate stabilization (aka geoengineering). After almost 40 years working on these topics, it’s a thrill to see so many new faces and new ideas. globalstabilization.org/
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Shout out to CMU's Engineering & Public Policy dept, which quite literally made my career. @CMU_EPP alums here: @JaiAsundi (runs @CSTEP_India, ~200-person thinktank, Bangalore), Shuchi Talati (runs Alliance for Just Deliberation on Solar Geoengineering), @katericke (Scripps/UCSD)
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EPP has trained an amazing group working where technology meets public policy. We need more departments like it, and more of these skills.
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My wife, Kirsten Anderson, and I are finally getting organized about giving away the money we made when Carbon Engineering was sold. Our platform is Luminen, Finnish for snow-covered, after our love of the cold outdoors. Learn more: luminen.ca/ 1/3
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After a career spent almost entirely on climate, I’m excited to work on reducing the risk of nuclear war. This week in Ottawa we’re convening a wide range of activists on nuclear security and disarmament, hoping to help accelerate their work in Canada. 2/3
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What’s “Climate Systems Engineering”? Ben Peltz and I explain why @UChicago uses the term in a new essay on @SRM360_org: srm360.org/perspective/what-… As I head to Iceland to talk “climate stabilization,” here’s why we prefer our term:
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Stabilization is a fine policy goal, but a poor name for a field. It excludes decarbonization, which is central to any real stabilization. And it lumps slow, durable carbon removal with fast-acting sunlight reflection, blurring distinctions that matter.
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Renaming won’t make solar geo less controversial. As @sapinker's “euphemism treadmill” shows, stigmas follows the concept not the word. Researchers should pick names close to value-neutral. “Climate systems engineering” describes a discipline, not a goal. nytimes.com/1994/04/05/opini…
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On May 18–19, the @UChicago Climate Systems Engineering initiative is bringing together researchers, policymakers, and practitioners for a public symposium we're calling "Frontiers in Climate Systems Engineering.” The goal is simple: rigorous analysis and open debate.
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May 18 starts with an introductory overview and policy discussions. Presentations on May 19 will be tilted towards science and technology with more expert-oriented discussions.
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