Agriculture produces what might be some of the hardest planet-warming carbon emissions to eliminate. People need to eat, and right now, the way we make food generates a lot of greenhouse gases — about a third of the total created by human activity. There are some simple ways to reduce it, like eating less meat, but there’s a point where cutting is no longer an option.
That’s why there’s growing interest in something called enhanced rock weathering, where minerals that naturally absorb carbon dioxide from the atmosphere are crushed up and spread on soils to speed the process. It happens that so
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