Plan to refreeze Arctic sea ice shows promise in first tests

Field trials indicate that pumping seawater onto the snow on top of Arctic sea ice can make the ice sheet thicker, offering a possible way to preserve sea ice throughout the summer

​Field trials indicate that pumping seawater onto the snow on top of Arctic sea ice can make the ice sheet thicker, offering a possible way to preserve sea ice throughout the summer Field trials indicate that pumping seawater onto the snow on top of Arctic sea ice can make the ice sheet thicker, offering a possible way to preserve sea ice throughout the summer