Here's a study that found that the olivine hypothesis might not work as expected: https://www.technologyreview.com/2022/03/30/1048434/why-using-the-oceans-to-su

Here's a study that found that the olivine hypothesis might not work as expected: https://www.technologyreview.com/2022/03/30/1048434/why-using-the-oceans-to-suck-up-co2-might-not-be-as-easy-as-hoped/ https://www.technologyreview.com/2022/03/30/1048434/why-usin...