@CNN: Some of the Arctic’s oldest ice has been replaced by miles of open water for the first time on record, satellite imagery shows.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/UV2XJFTzMl https://t.co/dPBuR5xnug

@CNN: Some of the Arctic’s oldest ice has been replaced by miles of open water for the first time on record, satellite imagery shows.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/UV2XJFTzMl https://t.co/dPBuR5xnug