Hacker News with Generative AI: Arctic

Arctic sea ice sets a record low maximum in 2025 (nsidc.org)
Arctic sea ice extent appears to have reached its annual maximum on March 22, 2025. This is the lowest maximum in the 47-year satellite record, with previous low maximums occurring in 2017, 2018, 2016, and 2015.

Climate Change, Arctic, Sea Ice, Environment

135 points by martinpw 29 days ago | 143 comments

Woolly mice designed to engineer mammoth-like elephants (bbc.co.uk)
Genetically engineered woolly mice could one day help populate the Arctic with hairy, genetically modified elephants and help stop the planet warming.

Genetics, Climate Change, Animal Engineering, Mammoth, Arctic

5 points by goodcanadian 53 days ago | 1 comments

Drone captures narwhals using their tusks to explore, forage and play (phys.org)
The Arctic's iconic narwhal, renowned for its long, spiral tusk, is one of nature's most fascinating creatures. Yet, few have witnessed how these elusive animals use their tusks in the wild.

Animals, Arctic, Nature, Wildlife, Science

86 points by dnetesn 57 days ago | 17 comments

World's Sea-ice falls to record low (bbc.com)
The world's frozen oceans, which help to keep the planet cool, currently have less ice than ever previously recorded, satellite data shows.

Climate Change, Environment, Science, Arctic, Global Warming

7 points by adrian_mrd 70 days ago | 0 comments

An Arctic 'beyond recognition' by 2100 (colorado.edu)
In 2024, annual average global air temperatures surpassed 1.5 degrees Celsius above pre-industrial levels for the first time, triggering extreme weather events like record-breaking rainfall and flooding events in the Sahara Desert and extreme summer heat waves across the planet. However, global warming will not stop at this level.

Climate Change, Arctic, Environment, Global Warming

6 points by geox 78 days ago | 0 comments

How does life happen when there's barely any light? (quantamagazine.org)
Under the sea ice during the Arctic’s pitch-black polar night, cells power photosynthesis on the lowest light levels ever observed in nature.

Science, Biology, Arctic, Photosynthesis, Environment

56 points by abe94 78 days ago | 41 comments

Temperatures at North Pole 20C above average and beyond ice melting point (theguardian.com)
Temperatures at the north pole soared more than 20C above average on Sunday, crossing the threshold for ice to melt.

Climate Change, Arctic, Weather, Environment, Science

22 points by howard941 81 days ago | 4 comments

How does life happen when there’s barely any light? (quantamagazine.org)
Under the sea ice during the Arctic’s pitch-black polar night, cells power photosynthesis on the lowest light levels ever observed in nature.

Science, Biology, Arctic, Photosynthesis

31 points by bookofjoe 82 days ago | 1 comments

Denmark launches $2B Arctic security plan, seeks EU unity on Greenland (france24.com)
Denmark on Monday announced a $2 billion security plan for the Arctic ahead of a visit by the country's prime minister to Berlin, Paris and Brussels to shore up "European unity" on Greenland.

Denmark, Arctic, Security, Europe, Greenland

7 points by dauertewigkeit 88 days ago | 0 comments

A third of the Arctic's carbon sink now a source of emissions (theguardian.com)
A third of the Arctic’s tundra, forests and wetlands have become a source of carbon emissions, a new study has found, as global heating ends thousands of years of carbon storage in parts of the frozen north.

Climate Change, Environment, Arctic, Carbon Emissions, Science

4 points by defrost 95 days ago | 0 comments

A controversial plan to refreeze the Arctic (cnn.com)

Climate Change, Arctic, Environment, Controversy

5 points by doener 127 days ago | 0 comments

A controversial plan to refreeze the Arctic is seeing promising results (cnn.com)

Climate Change, Arctic, Environmental Science

7 points by joak 134 days ago | 0 comments

Arctic ecosystems that kept climate change in check are making things worse now (vox.com)
Wildfires have turned the Arctic into a net carbon emitter. That’s bad news.

Climate Change, Environment, Arctic, Wildfires

5 points by rntn 136 days ago | 0 comments

Arctic tundra is now emitting more carbon than it absorbs, US agency says (theguardian.com)
The Arctic tundra is undergoing a dramatic transformation, driven by frequent wildfires that are turning it into a net source of carbon dioxide emissions after millennia of acting as a carbon sink, the US National Oceanic and Atmospheric Administration (Noaa) said on Tuesday.

Climate Change, Arctic, Environment, Carbon Emissions, Wildfires

136 points by pseudolus 136 days ago | 71 comments

Arctic uses a fan to cool another fan (tomshardware.com)

Hardware, Cooling, Technology, Arctic

46 points by LorenDB 139 days ago | 29 comments

First ice-free day in the Arctic Ocean could come before 2030 (gu.se)
The climate warms fastest in the Arctic. The sea ice there has become so thin that we could already see the first day without sea ice by 2030, according to a new study led by researchers from the University of Gothenburg, Sweden.

Climate Change, Arctic, Sea Ice, Science, Research

10 points by geox 144 days ago | 5 comments

Significant amount of methane escaping East Siberian Arctic Shelf (2013) (phys.org)
A combined team of U.S. and Russian researchers has found that large amounts of methane are bubbling up from the subsea permafrost along the East Siberian Shelf.

Climate Change, Arctic, Environment, Research, Methane

3 points by benchmarkist 150 days ago | 0 comments

Mummified Sabretooth Cub Discovered in Siberia (nature.com)
The frozen mummy of the large felid cub was found in the Upper Pleistocene permafrost on the Badyarikha River (Indigirka River basin) in the northeast of Yakutia, Russia.

Paleontology, Siberia, Pleistocene, Extinct Animals, Arctic

10 points by deeel 162 days ago | 1 comments

Polar Night in the Northernmost Town (smithsonianmag.com)
At 78 degrees north latitude, which is about 12 degrees farther north than the lower boundary of the Arctic Circle, Svalbard is no stranger to polar night.

Arctic, Geography, Norway

76 points by Brajeshwar 190 days ago | 20 comments

Researchers Find Cannibalized Victim of 19th-Century Arctic Voyage (nytimes.com)
A new study offers clues to a 179-year-old mystery that killed more than 100 explorers on the Franklin expedition in the Canadian Arctic.

History, Arctic, Exploration, Mystery, Science

46 points by Thevet 201 days ago | 15 comments

Show HN: I built a Iridium/LTE satellite GPS tracker and took it to the Arctic (github.com/cepa)
One off challenge to build a custom GPS tracker that sends data to cloud over LTE and Iridium networks. Tested successfully on the expedition yacht S/Y Southern Star while crossing Barents Sea from Norway to Svalbard in the Arctics. Built with RockBLOCK 9603N(Iridium), SIMCOM7600G (LTE/GSM) and STM32 microcontroller (ARM,FreeRTOS).

Hardware, GPS, Satellite Communication, Arctic, Projects

211 points by ChopSticksPlz 203 days ago | 56 comments

Migrating Seabirds Are Bringing Forever Chemicals into the Arctic (hakaimagazine.com)
Between March and May each year, 15 million black-legged kittiwakes gather from across the North Atlantic and Pacific Oceans to nest and breed on rocky Arctic cliffs—some making the journey from as far as Florida or North Africa.

Environmental Science, Climate Change, Wildlife, Arctic, Pollution

20 points by pseudolus 204 days ago | 0 comments

NASA Mission Gets Its First Snapshot of Polar Heat Emissions (nasa.gov)
NASA’s newest climate mission has started collecting data on the amount of heat in the form of far-infrared radiation that the Arctic and Antarctic environments emit to space.

NASA, Climate Change, Earth Science, Arctic, Antarctic

28 points by bryanrasmussen 223 days ago | 1 comments

North Norwegian port welcomes controversial Chinese shipping giant to the Arctic (nrk.no)

International Relations, Arctic, China, Shipping

12 points by hgulldahl 250 days ago | 1 comments

Record-setting heat waves are baking the Arctic region (washingtonpost.com)

Climate Change, Weather, Arctic, Environment

7 points by howard941 256 days ago | 1 comments

'It's devastating': summer in Canada's Arctic region brings heatwaves (theguardian.com)

Climate Change, Canada, Arctic, Heatwaves, Weather

19 points by howard941 259 days ago | 2 comments

Arctic temperatures soar 50°F/28°C above norm in long-lasting heat wave (washingtonpost.com)

Climate Change, Weather, Arctic, Heat Waves

9 points by anigbrowl 267 days ago | 5 comments

The Arctic Dilemma (arctic-council.org)

Climate Change, Arctic, Environment, Politics

10 points by tokai 281 days ago | 0 comments

Norway blocks sale of last private land on Svalbard after Chinese interest (theguardian.com)