Google, Microsoft, others invest $300m in crushed rocks as CO2 removal solution

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This is a a pile of basalt rocks that get crushed into a fine powder and spread on farmland to aid in carbon dioxide removal. Source: Shutterstock/AndySavchenko
Image:

This is a a pile of basalt rocks that get crushed into a fine powder and spread on farmland to aid in carbon dioxide removal. Source: Shutterstock/AndySavchenko

Enhanced rock weathering has gone from an interesting idea to large-scale trials in just a few years

A flurry of end-of-year deals has signaled growing excitement around a technology that just a few years ago was considered a newcomer to the suite of methods for removing carbon dioxide from the atmosphere....

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