蜜芽传媒

The glaciers of Greenland continuously grind rocks into a fine dust known as 鈥渕ud flour鈥�. Geologist Minik Rosing is investigating whether it could be harvested and transported to tropical areas where the heat has removed vital nutrients from the soil over millennia.

(Image: An aerial view of Greenland's Apusiajik glacier in August 2019. Credit: AFP/Getty Images.)