The Greenlandic Miracle: Can Glacial Mud Feed the World?

The world is facing a monumental challenge: feeding a growing global population on shrinking, nutrient-depleted cropland. However, a groundbreaking solution may be hiding in plain sight - or rather, beneath the melting ice of Greenland.

The Core Discovery

In 2015, Minik Rosing, a world-renowned Professor of Geology at the University of Copenhagen, noticed something extraordinary. Each year, the Greenland ice sheet grinds the underlying bedrock into a fine, mineral-rich powder known as glacial rock flour. Rosing hypothesized that this "magic mud" could be the ultimate soil improver, particularly for the nutrient-poor, weathered soils of the tropics.

Beyond agriculture, the project carries a massive climate incentive: as the rock flour dissolves in the soil, it undergoes a chemical process that captures CO₂ from the atmosphere, potentially acting as a natural carbon sink on a global scale.

From the Lab to the Field

Magic Mud follows Rosing’s exhaustive research journey. What began as laboratory experiments with plant scientists soon expanded into high-stakes field trials across the globe. In Brazil, the film captures the raw reality of international science, documenting a collaboration with researchers that crumbles under the weight of bureaucracy and logistical setbacks. Soon after, in a stunning turn of events at the Carlsberg barley test fields in Denmark, the research head was left speechless by a 30% yield increase, calling the results "completely crazy." We then follow Rosing from the depths of the Nuuk Fjord to the farms of Ghana, where local researchers and smallholder farmers test whether this Arctic mud can truly transform African agriculture.

The Man Behind the Science

Minik Rosing is a figure of immense scientific stature, best known for his work in the Isua supracrustal belt where he found evidence of life dating back 3.7 billion years. His "universe" is one where science meets art; the film explores his creative collaboration with world-famous artist Olafur Eliasson (notably their Ice Watch installation), proving that solving global crises requires both analytical precision and a visionary's imagination.

[NOTE: Magic Mud available until July 20, 2026.]

DIRECTOR’S STATEMENT

By Jakob Gottschau | Director

I’m educated from Roskilde University as a Master of Science in Technology and Society, and I have always had a soft spot for science. Although I have never had an ambition of being a scientist, I have directed and produced film and tv about scientific topics several times within the last 25 years: The history of the global environment - an 8 part series, traveling to space a 3 part series, and a 3 part series about climate in the arctic - all of them in corporation with DR and other Nordic broadcasters.

This project about the Greenlandic rock flour deals with a scientific issue as well - and a big one. Will the scientist Minik Rosing succeed with his idea, he holds the key to solving some of the biggest challenges on earth today: stimulating sustainable food production in the tropic region and reducing climate change. This fascinates me.  And on top of this - by following this project from the very beginning I have a clear narrative and a chance to tell a story about a scientific process from beginning to end.