
Water
Water causes the olivine to react with the CO₂.
This happens in a chemical process that is called rock weathering in science. You can compare it to the rusting of iron. The CO₂ is permanently fixed during this process.

We help the earth remove CO₂
To achieve climate neutrality by 2050, it is necessary to remove greenhouse gases in addition to reducing emissions. So far, CO₂ (carbon dioxide) is the only greenhouse gas that can be removed from the atmosphere.
greenSand imports olivine-rich rock to permanently remove CO₂ from the air.
The olivine mineral in the rock has a unique property : it captures CO2 and thus ensures CO₂ removal.
By using greenSand olivine rock in applications where sand and stone are used, CO2 can be permanently removed from the air in a simple and proven way.
Ideas for the use of greenSand
Here is greenSand cleaning up CO₂
greenSand has been using olivine rock since 2008. The map below shows where greenSand has been used (by postal code) and the average removal rate over time.
Move the slider to see the process over time.