Antarctic sea-ice at ‘mind-blowing’ low alarms experts
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The sea-ice surrounding Antarctica is well below any previous recorded
winter level, satellite data shows, a worrying new benchmark for a region
that once seemed resistant to global warming. “It’s so far outside anything
we’ve seen, it’s almost mind-blowing,” says Walter Meier, who monitors
sea-ice with the National Snow and Ice Data Center. An unstable Antarctica
could have far-reaching consequences, polar experts warn. Antarctica’s huge
ice expanse regulates the planet’s temperature, as the white surface
reflects the Sun’s energy back into the atmosphere and also cools the water
beneath and near it. Without its ice cooling the planet, Antarctica could
transform from Earth’s refrigerator to a radiator, experts say.
BBC 17th Sept 2023
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