arctic sea ice has shrunk by an area equal to western australia, and summer or multi-year sea ice might be all gone within a decade.
arctic sea ice has shrunk by an area equal to western australia, and summer or multi-year sea ice might be all gone within a decade.
arctic sea ice decline:277
"some of the models suggest that there is a 75 percent chance that the entire north polar ice cap during some of the summer months will be completely ice-free within the next five to seven years," gore said.