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by anonymouskimmer
859 days ago
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> and (more practically) high-altitude balloons filled with sulfur and hydrogen/helium. Helium's a bad thing to fill with because it's a limited resource. Hydrogen is bad because it's a sink for greenhouse gas eliminating hydroxyl. https://e360.yale.edu/features/natural-geologic-hydrogen-cli... : For instance, some of the hydrogen released will react with the atmospheric compound hydroxyl, creating ozone, which in the lower atmosphere is a greenhouse gas. And by using up hydroxyl, which is the atmosphere’s main cleansing agent, hydrogen will leave less of the organic compound available to break down methane and other greenhouse gases, resulting in those gases lasting longer in the atmosphere and causing additional warming. |
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