A new study finds climate change extremes are getting worse in a place that once seemed slightly shielded from global warming’s wildness
What follows if the trend continues, a likely result if humans fail to curb emissions, will be a cascade of consequences from disappearing coastlines to increased global warming hastened by dramatic losses of a major source of sunlight-reflecting ice. That's something scientists have long been watching and are even more concerned about now.
Anna Hogg, a co-author on the paper and professor at the University of Leeds, said that their work illustrates complex and connected changes between the ice, ocean and air. “Once you’ve made a big change, it can then be really hard to sort of turn that around,” she said. Sea ice and ice shelves work like a cork in a bottle, holding back glaciers that would otherwise rush into the ocean. When they disappear, glaciers flow many times faster. What's more, the disappearance of large swaths of ice accelerates warming like swapping a white T-shirt for a black one on a hot summer day — replace ice with land or water, and suddenly the earth is absorbing the sun's rays rather than reflecting them.
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