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Can We Make Oceans Absorb More Carbon Dioxide with a Giant Antacid?
If we dissolve acid-neutralizing rocks in the ocean, will it absorb more carbon dioxide? Climate ventures and philanthropic funders have been spending millions of dollars to find out, reports the Washington Post. "Researchers have been exploring this technology for the last five years, but over...
But in order for this to make a dent, it will need to be scaled up to remove billions, not hundreds of thousands, of metric tons of carbon per year, Yale associate professor of earth and planetary sciences Matthew Eisaman said... Although the ocean's chemistry has varied through geologic time, it has become more acidic as it has absorbed more carbon from human-generated emissions, said Andy Jacobson, a geochemist at Northwestern University. Ebb Carbon, for example, takes existing saltwater waste streams from treatment and desalination plants and uses electricity to alkalize it before returning it to the ocean, said Eisaman, who is the start-up's co-founder and chief scientist.
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