Questions for ‘A bold plan to save the planet turns carbon dioxide into stone’
![a large orange drill is in center of the picture. there are workers around the drilling site and mountains in the distance at the horizon.](https://www.snexplores.org/wp-content/uploads/2022/04/1440_CO2_to_stone_feat-1030x580.jpg)
Workers drill into the ground in Wadi Lawayni, a remote valley in Oman. Millions of years ago, unusual rocks were pushed to surface here through a rare geologic upheaval. Now in contact with the air, they are reacting with carbon dioxide, locking the greenhouse gas into solid minerals.
Juerg Matter/Univ. of Southampton