🌍 Crushed Stone: A New Weapon in the Fight Against Climate Change?

A fascinating development in climate science is gaining traction globally — including in India and Brazil. Farmers are now spreading crushed stone, such as basalt, across agricultural land not just for soil improvement, but to capture carbon from the atmosphere.

This technique taps into a natural process called enhanced rock weathering, where rainwater reacts with carbon dioxide to form a weak carbonic acid. This acid weathers the rock, helping it bind atmospheric CO₂ into stable carbonates like limestone.

What makes this especially powerful?

✅ It’s scalable across farmlands

✅ It offers dual benefits: improving soil health while sequestering carbon

✅ It mimics natural geological cycles — just accelerated

This isn’t a moonshot. It’s grounded in science and already showing promise. As the world races toward net zero, nature-based solutions like this may be key to balancing our carbon budget.

🔍 Have you come across any innovative nature-based climate solutions recently?

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