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California Wildfires in August 2018.

Climate futures: What’s ahead for our world beyond 1.5°C of warming?

Claire Asher 12 Jun 2025
Polar bear mother with two cubs on a snowy sandbank in northern Alaska.

Polar sea ice continues steep decline; but will a troubled world notice?

Elizabeth Devitt 27 Mar 2025
A ceremonial glacier graveyard in Iceland.

With climate change, cryosphere melt scales up as a threat to planetary health

Sean Mowbray 21 Mar 2025

The warming Arctic is now a carbon source, report finds

Liz Kimbrough 31 Jan 2025
Killer whales swim in the icy Arctic waters that are newly open to them. Photo credit: Maha Ghazal

Killer whales have found new homes in the Arctic Ocean, potentially reshaping marine ecology

Caroline Hemphill 3 Dec 2024
A group of chinstrap penguins on pack ice on Seal Island in Antarctica.

Arctic sea ice hits summer minimum; Antarctic hovers at new winter lows

Elizabeth Devitt 24 Sep 2024
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

Indigenous Alaskans drive research in a melting arctic

Gabe Allen 4 Jun 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
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 lemon shark in the mangroves in the Bahamas.

Ocean heating breaks record, again, with disastrous outcomes for the planet

Elizabeth Claire Alberts 30 Jan 2024
Humpback whales in French Polynesian waters. The intensity and duration of marine heat waves could have widespread effects on marine biodiversity, increasing the likelihood of species displacement and mortality. Image by Toby Matthews / Ocean Image Bank.

As oceans warm, marine heat waves push deep beneath the surface, study shows

Elizabeth Claire Alberts 11 Oct 2023
Arctic sea ice.

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

Abhishyant Kidangoor 11 Sep 2023

‘Catastrophic breeding failure’ for penguins as Antarctic sea ice vanishes

Elizabeth Claire Alberts 25 Aug 2023
A penguin.

Antarctic warming alters atmosphere, ice shelves, ocean & animals

Juliette Portala 12 Jun 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
Arctic sea ice melts.

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

Alec Luhn 24 Oct 2022
An iceberg floats in Disko Bay, near Ilulissat, Greenland, on July 24, 2015. The massive Greenland ice sheet is shedding about 300 gigatons of ice a year into the ocean, making it the single largest source of sea level rise from melting ice. Image by NASA/Saskia Madlener via Flickr (CC BY-NC-ND 2.0).

Greenland’s Indigenous population favors extracting sand from melting ice sheet

Moira Donovan 27 Sep 2022

2022: Another consequential year for the melting Arctic

Sharon Guynup 23 Sep 2022

Climate change and overfishing threaten once ‘endless’ Antarctic krill

Elizabeth Claire Alberts 11 Aug 2022

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

Alec Luhn 22 Mar 2022

As climate change melts Antarctic ice, gentoo penguins venture further south

Elizabeth Claire Alberts 21 Jan 2022

Researchers express alarm as Arctic multiyear sea ice hits record low

Gloria Dickie 17 Sep 2021

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

Conrad Fox 15 Jul 2021

As Arctic melt sets early July record, hard times lie ahead for ice: Studies

Gloria Dickie 8 Jul 2021

As Arctic sea ice hits annual maximum, concern grows over polar ice loss: Studies

Gloria Dickie 16 Mar 2021

New study warns that sea levels will rise faster than expected

Mongabay.com 2 Feb 2021
Gentoo penguins watching an iceberg. Image credit: Mongabay

We’re approaching critical climate tipping points: Q&A with Tim Lenton

Rhett Ayers Butler 6 Jan 2021
Caribou calf. Photo © Xavier Fernandez Aguilar

Ice breakers in the Arctic: Let’s talk Inuit safety (commentary)

Martin Robards and Beverly Maksagak 3 Nov 2020

Brave New Arctic: Sea ice has yet to form off of Siberia, worrying scientists

Sharon Guynup 26 Oct 2020

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