Scientists believe a massive glacial dam release - or jökulhlaup - recently occurred in Southeast Alaska. But they probably would not have known about it if they had not been tipped off by an observant commercial fisherman.
When glaciologist Jack Kohler returned to Austre Brøggerbreen in Svalbard, he was shocked. More than three meters of the ice at the glacier front had melted away. That's a record. And an ice tunnel had become a trench.
Glittertind was for a long time Norway's highest mountain due to the large ice cap. But measurements in 1984 showed that the ice had diminished, and since then it has become the little brother to Galdhøpiggen.