SCIENCE

Antarctic winter sea ice hits record low

By Sanjana Shankar

1

Record-low

Antarctic sea ice reached a record low this winter, covering only 16.96 million square kilometers. This decline poses a threat to wildlife like penguins.

2

Summer ice extent

The summer Antarctic sea ice extent also hit an all-time low in February, surpassing the previous record from 2022.

3

Effect

Less sea ice translates to less sunlight being reflected back to space, leading to warmer waters.

4

Warm temperatures

Warmer ocean temperatures around Antarctica have already destabilized the Thwaites Glacier, which contributes to 4% of annual global sea level rise.

5

Records

Scientists are concerned that climate change is finally impacting Antarctic sea ice, with three record-breaking low sea ice summers reported in the past seven years.

6

Study

A recent study found that warming ocean temperatures, primarily caused by human-induced greenhouse gas emissions, have contributed to lower sea ice levels since 2016.

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