A British startup has devised a way to speed-up enhanced rock weathering using protein powder in a potential step forward for the budding carbon capture industry. Enhanced rock weathering (ERW) involves spreading silicate rock dust on fields to capture carbon. When it rains, the dust reacts with the CO2 in the droplets, permanently storing it in the rocks as carbonate (think chalk or baking soda). This relatively simple technology has taken off in recent years, attracting funding from the likes of Meta, Google, and Microsoft. However, there are a few kinks that need ironing out. One issue is that ERW…
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