Southern Ocean circulation changes could accelerate global climate change

Tuesday 8 July 2025 · 3 outlets · 4 reports · updated Tue 8 Jul 2025, 4:55pm

Researchers have discovered a major shift in Southern Ocean circulation that may speed up climate change. The University of Southampton led a study suggesting the ocean is becoming warmer and saltier. Experts warned that Antarctic sea ice could be in terminal decline.

How they headlined it

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1. RNZTue 8 Jul 2025, 3:50pm

   Southern Ocean getting warmer and saltier, will 'change the way the planet works' (opens in new tab)

2. Otago Daily TimesTue 8 Jul 2025, 3:53pm

   Warning Southern Ocean changes will affect planet (opens in new tab)

   • Warmer, saltier Southern Ocean not good for planet (opens in new tab) Tue 8 Jul 2025, 3:53pm
3. NZ HeraldTue 8 Jul 2025, 4:55pm

   Unexpected Southern Ocean changes may speed up climate impacts (opens in new tab)