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Marcel König and Natascha Oppelt (both from the University of Kiel, Germany) measuring melt pond optical properties during RV Polarstern campaign PASCAL, north of Svalbard in June 2017.

Arctic melt ponds influence sea ice extent each summer — but how much?

Michael C. Bradbury 20 Aug 2024

Warming is not helping smoother navigation through the Arctic

Shreya Dasgupta 25 Jul 2024
Service in Östersund.

How Europe’s only Indigenous group is inspiring a greener Christianity

John Last 17 Jul 2024

Indigenous Alaskans drive research in a melting arctic

Gabe Allen 4 Jun 2024

Alaska’s Arctic rivers turn rusty orange as permafrost thaws

Liz Kimbrough 31 May 2024
A multilayered lenticular cloud hovers near Mount Discovery, a volcano about 70 km (44 mi) southwest of McMurdo Station in Antarctica.

Polar warning: Warming temperatures mean more than melted ice

Elizabeth Devitt 27 May 2024
Two polar bear siblings play-fighting in the wild on Barter Island, Alaska.

Report ranks 60+ ideas, including geoengineering, to save the Arctic

Jeremy Hance 21 May 2024
Indigenous people with sled dogs in Greenland.

Plastic pollution talks end & Arctic peoples return home to a ‘sink’ of plastic

Sonam Lama Hyolmo 7 May 2024
A poler bear.

Freeze on Russian collaboration disrupts urgently needed permafrost data flow

Elizabeth Devitt 20 Feb 2024
Walruses east of Svalbard in the Barents Sea.

The new Arctic: Amid record heat, ecosystems morph and wildlife struggle

Sharon Guynup 14 Feb 2024
A bearded seal in Svalbard.

EU parliament expresses disapproval of Norway’s deep-sea mining plans

Elizabeth Claire Alberts 8 Feb 2024
North Atlantic orcas are threatened by persistent organic pollutants that build up in their favorite prey, marine mammals. Photo by Nitesh Jain / Unsplash

North Atlantic orcas reveal the troubling persistence of toxic ocean pollutants

Kristel Tjandra 27 Nov 2023
A trawler Naoned in the European part of North Atlantic Ocean.

Record North Atlantic heat sees phytoplankton decline, fish shift to Arctic

Juliette Portala 12 Oct 2023
Arctic sea ice.

Sensing tech used in oil pipelines can also track Arctic sea ice, study shows

Abhishyant Kidangoor 11 Sep 2023
A bowhead mother and calf in the Arctic Ocean.

Melting Arctic sea ice is changing bowhead whale migrations, study finds

Elizabeth Claire Alberts 23 May 2023

Norway proposes opening Germany-sized area of its continental shelf to deep-sea mining

Elizabeth Claire Alberts 20 Apr 2023
A Porcupine Caribou.

A caribou hunter and researchers uncover the impact of climate change on Arctic hunting

Evan Bourtis 31 Mar 2023
A polar bear surveys its icy Arctic surroundings.

Southern atmospheric rivers drive irreversible melting of Arctic sea ice: Study

Alec Luhn 23 Mar 2023
Celebration of the 2020-2023 election period of the Sámi assemblies in 17 June 2022. Image by Kevin J. Francett / Kajastus Creative / Sámediggi Saamelaiskäräjät (the Sámi Parliament) via Flickr (CC BY-NC-SA 2.0).

Finland’s debate over Indigenous identity and rights turns ugly

John Last 21 Feb 2023
An Arctic fox.

Protecting canids from planet-wide threats offers ecological opportunities

Sean Mowbray 10 Jan 2023
A sea butterfly (Limacina helicina) whose shell has been weakened by ocean acidification. (NOAA Photo Library, CC-BY-2.0)

Melting ice created the perfect storm for a rapidly acidifying Arctic Ocean

Luis Melecio-Zambrano 7 Dec 2022
Arctic sea ice melts.

Arctic sea ice loss to increase strong El Niño events linked to extreme weather: Study

Alec Luhn 24 Oct 2022

2022: Another consequential year for the melting Arctic

Sharon Guynup 23 Sep 2022

The mystery of narwhal behavior, solved by chaos theory

Liz Kimbrough 23 Sep 2022

Second oil company exits Arctic amid fierce Indigenous opposition, energy squeeze

Laurel Sutherland 7 Sep 2022

With sea ice melting, glacial ice could be a lifeline for polar bears

Elizabeth Claire Alberts 16 Jun 2022

Traditional knowledge guides protection of planetary health in Finland

Jane Palmer 31 Mar 2022

Multiyear ice thinner than thought as Arctic sea ice reaches winter max: Studies

Alec Luhn 22 Mar 2022

Keep polar bears and their extensive range safe from oil drilling (Commentary)

Steve Blackledge and Dyani Chapman 8 Oct 2021

Researchers express alarm as Arctic multiyear sea ice hits record low

Gloria Dickie 17 Sep 2021

Nine principles for the UN Decade on Ecosystem Restoration (commentary)

Cara Nelson, Jim Hallett 15 Jul 2021

As Arctic warms, scientists wrestle with its climate ‘tipping point’

Conrad Fox 15 Jul 2021

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