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antarctica: 1/12 of 12

An iceberg floating in the Amundsen Sea, where glaciers are shedding ice faster than in any other part of Antarctica. Photo: NASA / Jane Peterson via Wikimedia Commons.

Antarctica: warming ocean trebles glacial melt

Tim Radford

17th December 2014

As temperatures rise in the Southern Ocean, warmer currents are eroding the Antarctic ice sheet from below, writes Tim Radford - causing the melting rate to treble in two decades to 83 cubic billion tonnes a year. more...
The cartographic submarine at work. Photo: WHOI.

Antarctic sea ice expands to record extent - and it's deeper than we thought

Edward Hanna

28th November 2014

While the Arctic melts, Antarctica's ice has spread to record extents in three consecutive years, writes Edward Hanna. But is the news as good as it looks? Yes, if indications from a robot submarine that the ice is thicker than expected are supported by further evidence. It may just be that Antarctica's ice is more resilient than scientists dared to hope. more...
The view down the borehole through half a mile of the Antarctic ice to Lake Whillans. Photo: Reed Scherer / Northern Illinois University.

Abounding life! 4,000 microbes thrive in Antarctic lake beneath the ice

Helen Thompson

15th September 2014

Beneath half a mile of ice scientists have uncovered the first hard evidence of a life in a subglacial lake, writes Helen Thompson. And not just life, but a complex ecosystem comprising thousands of microbial species. Could Jupiter's frozen moon Europa be hiding lakes like this? more...
Even in the 19th century, lead from Broken Hill smelters was polluting Antarctica. NSW Records Office, CC BY.

Lead pollution beat Amundsen and Scott to the South Pole - and it's still pouring down today

Joe McConnell

2nd August 2014

Ice core analysis shows that lead pollution in Antarctica took off in the 1880s as mining at Broken Hill, Australia, took off. Lead residues have fallen from their late 20th century peak, writes Joe McConnell - but they are still four times higher than in pre-industrial times. more...
Water depth marker in the dried out bed of Lake Albert, South Australia. Photo: Bidgee via Wikimedia Commons.

Australia's drought - yes, it's climate change

Tim Radford

18th July 2014

Australia's prime minister thinks climate change is 'crap' and has just abolished his country's carbon-pricing system. But scientists say that it's rising levels of CO2 that are leaving the south of the country parched and sweltering - and it's only going to get worse. more...
More of this to come ... the western rear end of Jetty East parking lot collapses under the storm surge from Hurricane Ike, 2008. Photo: Ed Hart via Flickr.

Florida's collapse will set in within a 30-year mortgage cycle

Harold R. Wanless

3rd June 2014

We are most certainly witnessing the onset of a rapid pulse of sea level rise, writes Harold R Wanless. And low lying areas - like southeast Florida - will be the first to know about it. So how come they're building there like there's no tomorrow? more...
Birth of an iceberg: a massive crack in West Antarctica’s Pine Island glacier. Photo: NASA Earth Observatory / Wikimedia Commons.

West Antarctic glaciers 'past the point of no return'

Tim Radford

23rd May 2014

The total collapse of glaciers in West Antarctica is 'inevitable', writes Tim Radford, as the southern hemisphere gets warmer and glaciers are undermined by seawater. The news has emerged from a new analysis of satellite data. more...
The drought-stricken Chowilla floodplain in South Australia, Changing wind patterns are bringing cold and snow to Antarctica, while Australia gets hotter and drier. Photo: Gary Sauer-Thompson via Flickr.

Strong winds keep Antarctica cold - while Australia bakes

Tim Radford

16th May 2014

Rising greenhouse gas levels are causing stronger winds over the Southern Ocean. It's good news for Antarctica, writes Tim Radford, as the circumpolar winds are keeping its ice caps cold. But Australia is getting hotter and drier - and its problems will only increase. more...
Swan at base camp on the 2013 expedition. Photo: 2041.com.

Operation Deep South

Isabel Sepkowitz

7th February 2014

Robert Swan - the first person to walk to both North and South Poles - will lead his 10th annual International Antarctic Expedition this coming March as part of his Antarctica 2041 campaign. Isabel Sepkowitz discovered what it's all about. more...
Chinese arrival at the Shokalskiy. From video by Intrepid Science.

Stuck in the Antarctic ice we set out to study

Erik van Sebille

13th January 2014.

Antarctica is a desolate place. That much we know, but nothing prepares you for it until you actually get there, writes Erik can Sebille, recently escaped from an icy imprisonment. more...
M/V Akademik Shokalskiy at anchor in the Penola Strait, off Petermann Island, in Antarctica. Photo: AntarcticBoy via Flickr.com.

Global warming scientists stuck in Antarctic summer freeze?

Stephan Lewandowsky

7th January 2014

Climate change skeptics have seized on the tale of the 'global warming scientists' stranded in Antarctica by a summer freeze-up. But Stephan Lewandowsky says there is more to the story than meets the eye ... more...
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Crossing the threshold

Peter Bunyard

1st February, 2004

It takes no more than a gentle nudge to push a man over the edge of a cliff, but it is almost impossible to haul him back before he hits the ground. Given that we show no sign of putting a stop to global warming, Peter Bunyard takes a look at what the future might hold more...

antarctica: 1/12 of 12

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