New images have been released of wildfires that continue to burn close to the Greenland ice sheet, on the country's west coast.

The rise in global sea levels has accelerated since the 1990s amid rising temperatures, with a thaw of Greenland's ice sheet pouring ever more water into the oceans, scientists said on Monday.

A river of meltwater flows over 120-metre wide waterfall in Antarctica Won Sang Lee/Korea Polar Research Institute

Scientists have found that vast lakes and streams are widespread on the surface of Antarctica's ice sheets which may accelerate its contribution to the rise in sea-level, a new study suggests.

Every spring and summer melt ponds form at the surface of polar sea ice and become habitats where biological production may take place. Previous studies report a large variability in the productivity, but the causes are unknown.

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Unless the world stops burning fossil fuels that are fuelling global warming, irreversible changes in the Arctic could have disastrous effects for the people that live there and for the rest of the

Remote polar and deepwater fish faunas are under pressure from ongoing climate change and increasing fishing effort. However, these fish communities are difficult to monitor for logistic and financial reasons. Currently, monitoring of marine fishes largely relies on invasive techniques such as bottom trawling, and on official reporting of global catches, which can be unreliable. Thus, there is need for alternative and non-invasive techniques for qualitative and quantitative oceanic fish surveys.

A snow-covered former U.S.

Stromatolite fossils formed around 3,700 million years ago in what is now Greenland predate the previous oldest fossil evidence for life on Earth by more than 200 million years.

Reconstructing the past variability of Arctic sea ice provides an essential context for recent multi-year sea ice decline, although few quantitative reconstructions cover the Holocene period prior to the earliest historical records 1,200 years ago. Photochemical recycling of bromine is observed over first-year, or seasonal, sea ice in so-called “bromine explosions” and we employ a 1-D chemistry transport model to quantify processes of bromine enrichment over first-year sea ice and depositional transport over multi-year sea ice and land ice.