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There are extremely difficult governance & environmental issues, around ocean acidification, disruption of the south asia monsoon, Arctic sea ports etc. I think it'd be foolish to ignore those, to put it mildly.
No, I just meant solar geoengineering. If you mean negative emissions tech, yeah, I'm much more bullish. Wrote some notes about one flavour: http://cognitivemedium.com/dac-notes
right, all the fun sci-fi stuff will be politically impossible until we normalize the concept of changing our planet, which large-scale carbon sequestration will do. and if we're facing an apocalypse like folks in politics / media are saying (???) i think we should probably start
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