Scientists tried to thicken Arctic ice by pumping seawater onto it. The ice did become thicker and brighter, but there is a big catch

• Sea ice melts on the Franklin Starait (AP file photo)Scientists have tested an idea that could help reduce the melting of Arctic sea ice, and the initial results are promising.
• The method involves spraying of seawater onto existing sea ice in winter and letting it freeze into a new layer.
• The on-site experiment took place in Cambridge Bay in Nunavut, Canada, during the winter of 2024-25.