@CNN: Some of the Arctic’s oldest ice has been replaced by miles of open water for the first time on record, satellite imagery shows. This area was seen as “the last bastion,” a researcher says. https://t.co/Iim1Ys64pz https://t.co/9hwxTe1mKg

@CNN: Some of the Arctic’s oldest ice has been replaced by miles of open water for the first time on record, satellite imagery shows. This area was seen as “the last bastion,” a researcher says. https://t.co/Iim1Ys64pz https://t.co/9hwxTe1mKg