UC Davis researchers find adding crushed volcanic rock to farmlands can remove carbon dioxide from the air. This 'enhanced' rock weathering works even in dry climates. Disclaimer: AAAS and EurekAlert!

UNDO uses basalt in its application and has found that five tons of the crushed volcanic rock can draw down a ton of CO 2. Manley said basalt and other similar rocks are abundant and the low-tech ...

The dust is crushed basalt – volcanic rock which can be found in abundance ... BBC/Tern TV Beechgrove Garden presenter Jim McColl saw the practice being carried out in 2004 Ryan found out ...