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Deep Earth origins of the world's largest diamonds revealed

Recent research has shed new light on the origins of some of the world’s largest and most valuable diamonds, linking their formation to unusual iron-rich regions deep within the Earth’s mantle. The study focuses on a rare class of large, high-purity diamonds known as CLIPPIRs and finds that they likely formed more than 150 kilometers beneath the Earth’s surface. In today's newsletter, discover how scientists trace where these exceptional diamonds come from and how to find more of them. Also, discover how rehabilitated land across China is being transformed into eco-tourism destinations that support local economies and environmental restoration, as well as the implementation of China's first national standard for "happy rivers and lakes," providing a unified benchmark for river and lake governance, and connecting ecological protection with public wellbeing.

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