A huge iceberg is set to break free from Antarctica. While the iceberg isn't hugely concerning, it could herald the breakup of the entire Larsen C ice shelf, which could trigger more sea-level rise.
Best-case scenario, how much are we locked into?
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Climate change is set to expand Antarctica's ice-free area, potentially helping native species to flourish but also paving the way for invasive species to gain a foothold.
Trips to Antartica are part of the ‘last chance’ tourism to environmentally fragile places.
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After years of stalled negotiations, China has ended its opposition to the world's largest marine park off Antarctica - part of a wider trend towards increased Chinese involvement in global governance.
The Balleny Islands off East Antarctica - one of the many stops along the way.
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Why spend three months completing a lap of Antarctica (and probably getting seasick along the way)? It's the only way to get vital clues about the remote Southern Ocean and its influence on the planet.
The shock decision to close Australia's year-round research station at Macquarie Island will make monitoring Antarctica and the Southern Ocean harder, and will force Tasmania to get creative.
Britain’s industrial pioneers couldn’t have known how they would affect the climate.
Henry Gastineau
The first signs that humans were warming the climate appeared much earlier in the northern hemisphere - way back in the 1830s. But now the trend is emerging all over the globe.
Antarctica’s ice sheets will continue to melt long after this century.
Antarctica image from www.shutterstock.com
Buried beneath kilometres-thick slabs of ice are rivers and huge lakes - some of which are teeming with microbes that thrive in a world without light or oxygen.
The Chinese icebreaker Xue Long sails from Fremantle Harbour on its way home from Antarctica.
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Australia and China both have a keen interest in the frozen continent. And while they don't agree on everything, there is great scope for scientific collaboration.
Australia (whose flag is pictured on the right) is one of several countries with a big stake in the South Pole.
Josh Landis/US NSF/Wikimedia
Antarctic Law Researcher, PhD Candidate, Institute for Marine and Antarctic Studies and the Antarctic Climate and Ecosystems CRC, University of Tasmania
ARC Future Fellow, Research School of Earth Sciences; Chief Investigator for the ARC Centre of Excellence for Climate Extremes, Australian National University