The maximum extent of Arctic sea ice this winter was the lowest on recordTony Skerl/Shutterstock
Human-caused climate change has ravaged sea ice at both ends of Earth in what may be a disturbing new normal. February this year saw global sea ice extent hit a record low as sluggish ice growth during the Arctic winter coincided with the fourth consecutive year of extremely low sea ice cover during the Antarctic summer.
“It’s like a missing piece of a continent,” says Ed Doddridge at the University of Tasmania in Australia.
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