The white surfaces on the ground are bacterial mats, which is a sign of seeping methane. Less than 10 metres below the ice, the greenhouse gas seems to seep out of the ground. Photo: Andrew Thurber The seabed around Antarctica is only partially explored. Most of the...
The ice sheet, which covers a large part of the island, pulsates like a living organism through melting and ice formation. According to the research group GreenDrill, the underlying rock is as exciting an archive as the ice itself. Photo: Michael Wenger...
The caldera of the Okmok Shield Volcano on the island of Umnak extends over 10 kilometers. The caldera formed after the eruption in 43 BC. But the volcano was still active until 2008. Photo: Wikipedia Much of what is happening in the Arctic is causing major changes in...
The behaviour of sea ice around the Antarctic continent has often puzzled climate scientists in recent decades, as it has not always kept to predictions. But now the mechanisms are a little clearer and the models more accurate. Photo: Michael Wenger The climatic...
The data on heavy metals in the permafrost soils of Alaska is as holey as the karst soil in the tundra. This is the conclusion of a recent study. Picture: Steve Jurvetson Flicker.com, CC BY 2.0 Heavy metals are no longer uncommon in the Arctic. The sometimes massively...
