‘At first, the idea does sound crazy’: meet the scientists trying to refreeze the Arctic

The Guardian16 jun 2026Macro
Automatisch samengesteld met AI uit de vermelde bronnen

In a January-February field test off Cambridge Bay, northern Canada, UK-funded firm Real Ice pumped 50,000 tonnes of seawater onto 1.5-metre-thick sea ice, thickening it by 50 cm and creating a 450-metre-square patch that remained visibly whiter than surrounding meltwater in satellite imagery taken at the start of the June melt season. The team also reported that the artificially frozen surface was unexpectedly brighter and more reflective than natural ice, while independent scientists from the University of Washington are now measuring its reflectivity and salinity on site.