Dag O. Hessen

The Fall of the Glaciers

Brefallet

NORLA Selected Title

In The Fall of the Glaciers, it’s the ability ice has to tell a deeper story about who we are, where we come from, and where we are going that forms the nerve of the narrative.

Long before becoming one of Scandinavia’s most renowned biologists, Dag O. Hessen spent his summers navigating the crevasses of Norway’s majestic glaciers. Decades later, as climate change accelerates and ancient ice recedes, Hessen returns to these blue cathedrals to confront a profound global phenomenon: the beauty, science, and collective grief surrounding the world’s disappearing glaciers.

What can more effectively convey the story of tipping points and a warmer planet than a glacier that melts more in summer than it grows in winter? With The Fall of the Glaciers, Hessen completes a trilogy destined to become a pillar of Norwegian non-fiction, building on Wolverine Tracks (2023) and Bird’s-Eye View (2025).

While each book stands on its own, they are bound together by Hessen’s personal and scientific reflections on the natural world and humanity’s place within its accelerating changes.

Photo: Anna Julia Granberg/ BLUNDERBUSS

Dag O. Hessen (born 1956) is a Professor of Biology at the University of Oslo. He is a distinct voice in the debate on topics like evolution, climate, ecology and biology as a way of understanding humanity. He has written many scientific works on themes like ecology and evolution, and has also published a number of popular science books about evolution, biology and the environment. He has received several awards for his promotion of popular science.