Melting ice in the Arctic Ocean may mean easier access for ships one day, opening doors for more efficient oceanic transportation, according to a study published in the Proceedings of the National Academy of Sciences Plus. Ships passing through the Arctic must have reinforced parts capable of breaking through ice; with warming temperatures, however, researchers predict that the equipment will be unnecessary by 2050. In addition, scientists predict that invasive species, such as pests and mosquitoes, will be able to spread more easily in the region.

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