If you sprinkle it over the farm, it sucks up the carbon, and it could make the farm run-off actually beneficial for the waterways.
It's not a miracle, just a rock called dunite.
An iwi and young university scientist are working together on a new solution using a reaction between rock, CO2, and water.
Terry Isson is the scientist specialising in geochemistry and geobiology at the University of Waikato. He talks to Charlotte about the potential of this substance in the fight against climate change.
Photo: Terry Isson
