"Satellite photos show that Arctic ice levels have reached their lowest point in recorded history, opening up the Northwest Passage."
"Climate researchers were predicting that there might be an ice free passage above North America in the middle of the 21st century, not this summer. The loss of sea ice has beaten their predictions by about 40 years. Some researchers are predicting the Arctic will be completely ice free in 2070 - they might want to revise their predictions."
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