Science

The study shows that a coupled observation operator—linking emission and radiative‑transfer models of ocean, sea ice, snow, and atmosphere—can accurately simulate microwave brightness temperatures under non‑melting Arctic conditions, thereby enhancing sea ice model assessment.

Four Chalmers University researchers embarked on a six‑week Central Arctic expedition aboard the icebreaker Oden on 10 August, aiming to study evolving sea‑ice and environmental conditions.

Scientists from Argentina, Bulgaria and Uruguay joined Turkey’s sixth National Arctic Scientific Research Expedition to investigate climate change effects and microplastic contamination in the region.

The 2025 Arctic was its second-warmest year on record, with surface air temperatures 1.38 °C above the 1991–2000 average.

University of Southampton researchers noted a record fall in Arctic sea‑ice volumes during peak winter, a shift that could unlock a new shipping corridor and cut transit time between Europe and Asia by half. The rapid melt underscores ongoing climate change impacts while offering shipping companies a faster, potentially lower‑cost route across the Arctic.

Alaska’s governor vetoed a bill that would have banned polystyrene statewide, sparking renewed activism from local groups and Indigenous communities who warn of health risks and wildlife damage caused by plastic foam.

Following China’s 2017 ban on elephant ivory, demand has surged for mammoth tusks dug from the permafrost of Yakutia and the New Siberian Islands. Hunters haul the frozen material to Chinese carving workshops where a kilogram can command up to $1,900, but the illegal extraction damages the fragile tundra ecosystem and erases valuable paleontological data.

Arctic sea‑ice extent for July 2026 fell to the sixth‑lowest level on record, with markedly reduced coverage in the northern Barents Sea.

Nitrification boosts riverine nitrate entering Arctic fjords, potentially shifting their sensitive nutrient budgets as climate-driven deglaciation continues.

Recent research confirms that Arctic blue cod are vital small fish feeding both the region’s marine food webs and local peoples, underscoring their ecological significance.

In 2025, the GNWT’s forest health survey recorded almost 5,900 km² of insect‑induced defoliation—primarily from spruce budworms and leafminers—and more than 1,200 km² of drought‑driven tree mortality, illustrating how climate stressors are reshaping northern boreal forests.

High‑resolution satellite images confirm that two China‑built liquefied natural gas modules were offloaded at Russia’s Belokamenka yard as part of Novatek’s Arctic LNG 2 project, illustrating international supply chain involvement in the region’s energy development.

A new 27‑year analysis of landfast sea ice in the Chukchi and Beaufort Seas finds that the seasonal window is shrinking—by roughly 20 days per decade in the Chukchi and 13 in the Beaufort—while overall coverage on the U.S. Outer Continental Shelf has fallen from 3.8 % to 2 %. The decline threatens transportation, wildlife habitats, shoreline protection and offshore oil‑gas operations that rely on stable ice.

Researchers used qualitative methods to capture how athletes describe relational interactions during and after the Arctic Winter Games (AWG). Findings illuminate the social dynamics that shape participant experiences in this high‑north sporting event.

A Marine Institute scientist, Dr. Geoffroy, will head a 250‑day research voyage through the High Arctic Ocean with a crew of 13 scientists to collect data on oceanic changes.

Scientists warn that projected 2100 climate changes in the Canadian High Arctic and Hudson Bay could outpace the evolutionary capacity of beluga, narwhal and bowhead whales, risking genetic mismatch and highlighting the need to protect their adaptive diversity.

Dozens of scientists, including French researchers, are stationed at Norway's Svalbard archipelago to monitor climate change in the Arctic.

Two blue whales were observed swimming close to a vessel in the Fram Strait’s icy passage at 80°N, underscoring the persistence of large marine fauna amid polar sea‑ice conditions.

New observations reveal the Arctic switches between large‐energy‐deficit transmissive periods and small‐energy‐deficit opaque periods, underscoring variable energy balances in polar climates.

South Korea’s government has commissioned a study aimed at promoting the use of an Arctic maritime corridor that links the Atlantic and Pacific oceans, signaling a strategic interest in expanding alternative shipping routes as ice melt opens more of the Arctic Ocean.