I follow this scientist on YouTube, he's made a very interesting series of videos and is looking for a research grant, here is a lot more context: https://www.youtube.com/watch?v=fvxNmStSC3M
tl;dw
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We've been pumping a shitload of CO2 into the atmosphere for the last 100+ years
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It seems extremely unlikely that the global CO2 emissions will go down in the next ~50+ years
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Even if the whole world became Net-Zero tomorrow, The planet will keep warming because the extra CO2 already in the atmosphere will stay there for the next 100+ years
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Carbon capture is basically impossible due to economics
Now here comes the scary part that that you maybe need a open mind to consider a good idea.
By adding 3% "Baking Soda" to jet fuel, it would reflect heat away to counter global warming, and would drop out of the air in ~1 year, so we can stop at any time.
Before forming a strong opinion and just down-voting let's have a constructive conversation in the comments. Even better, please watch the video
This seems like an actual viable option to buy us time to fix global warming, because what we've been trying hasn't been working nearly fast enough.