In Hawaii, green olivine-heavy rock from the Puu Mahana volcano is eroding to form a green sand beach, although it may run out of source rock soon.

Even when factoring in the mining and transportation, the project claims it can capture 20 times the carbon it takes to make a green sand beach. Moving all these rocks will cost money.

Take nothing but pictures It’s illegal to remove sand from Hawaiian beaches — whether green, red, black or golden. Originally Published: February 12, 2015 at 10:28 AM MST ...

Seeing green at the beach is usually reserved for swaying palm trees or seaweed that washes ashore. But there are exactly four beaches in the entire world have remarkable green sand shores ...

The newest geohack to fight climate change Project Vesta is conducting an experiment by spreading a green mineral on beaches, where its interaction with the waves will pull carbon from the air.

On Mars, the past is written in stone—but the present is written in sand. Last week, Perseverance explored inactive ...

Sending just 4 volts through a sand-and-seawater mixture for 28 days triggered mineralization. Using a rod-like electrode with a diameter of 2 centimeters could create a tube of rock up to 80 ...

While observing Perseverance’s landing site from orbit, it became clear that the rover would be landing near some spectacular layered rocks in Jezero Crater. What the team didn’t realize is they were ...