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AAP
AAP
Technology
Ethan James

Octopus DNA gives clues about Antarctic ice melt

Antarctic James Cook University Nerida Wilson The University of Western Australia
An Antarctic ice sheet likely collapsed 120,000 years ago, according to an analysis of octopus DNA. (HANDOUT/NERIDA WILSON)

An Antarctic ice sheet likely collapsed 120,000 years ago when global temperatures were similar to present levels, according to an analysis of octopus DNA.

Scientists say the findings are a climate change warning and mean the ice sheet could reach a melting "tipping point" even if global warming is limited to 1.5-2C under the Paris Agreement. 

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