Artikel-artikel mengenai Polar regions

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It’s time to pay attention to warnings from the Arctic. NOAA Photo Library

Teetering on a tipping point: dangerous climate change in the Arctic

We are seeing the first signs of dangerous climate change in the Arctic. This is our warning that humanity is facing a dire future. The Arctic region is fast approaching a series of “tipping points” that…
An ice-free world isn’t impossible – even though it seems the stuff of science fiction. Alistair Knock

As emissions rise, we may be heading for an ice-free planet

Last December’s meeting of the American Geophysical Union featured three of the world’s leading climate scientists: James Hansen (NASA’s chief climate scientist), Elco Rohling (National Oceanography Centre…

On again, off again for Arctic ice

New research indicates that although Arctic sea ice will melt away as the climate continues to warm, it may temporarily stabilise…

Tsunami breaks off icebergs

For the first time scientists have observed the power of a tsunami to break off large icebergs in Antarctica. The tsunami…
Polar bears are at the centre of a scientific fracas in the US. AAP

Polar bear scientist on thin ice in Arctic imbroglio

Something does not add up. About two weeks ago, a scientist working for the US Bureau of Ocean Energy Management, Enforcement and Regulation (BOEMRE), Dr Charles Monnett, was placed on administrative leave…
The Antarctic Treaty protects the continent from competing interests. AAP

Explainer: Keeping conflict on ice with the Antarctic Treaty

This year marks the 50th year of the Antarctic Treaty, a visionary document that for the first time set out a vision for an entire continent based on peace, science and co-operation. So how does it hold…

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