They Turn Rocks Into Climate Solutions tells the remarkable story of climate entrepreneur Shantanu Agarwal and his mission to help farmers fight climate change with an unexpected tool: crushed volcanic rock. As extreme weather, damaged soil, and declining crop yields threaten livelihoods, his nonprofit, Mati Carbon, is helping farmers remove carbon dioxide from the atmosphere while improving soil health and increasing harvests. By spreading finely crushed basalt across farmland, communities can strengthen food security and boost incomes. Already reaching thousands of farms across India, Zambia, and Tanzania, this innovative solution is transforming agriculture and climate action at the same time.

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