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Antarctica

Scientists See Converging Evidence of Antarctic Ice Retreat

A sediment core spanning millions of years and new modeling studies point to significant ice retreat under temperatures similar to today.

By Bob Berwyn

Researchers and tourists explore the edge of an ice shelf along the Antarctic Peninsula, which has warmed faster than nearly any other region in the past few decades. Credit Bob Berwyn/Inside Climate News
A southern right whale swims with its calves in the waters of the South Atlantic Ocean on Oct. 5, 2022. Southern right whales are no longer reproducing at normal rates due to climate-induced changes in Antarctica. Credit: Luis Robayo/AFP via Getty Images

Southern Right Whales Are Having Fewer Calves; Scientists Say a Warming Ocean Is to Blame

By Teresa Tomassoni

A construction worker cools off with water as a heatwave hits France in Nantes on June 19, 2025. Credit: Loic Venance/AFP via Getty Images

New Climate Reports Show ‘Unprecedented Run of Global Heat’

By Bob Berwyn

A view of the Shoesmith Glacier on Horseshoe Island on Feb. 21. Credit: Sebnem Coskun/Anadolu via Getty Images

Scientists Warn About the ‘Greenlandification’ of Antarctica

By Bob Berwyn

Gentoo penguins on Cuverville Island in the western Antarctic. Like seals and whales, they eat krill, an inch-long shrimp-like crustacean that forms the basis of the Southern Ocean food chain. But penguin-watchers say the krill are getting scarcer in the western Antarctic peninsula, under threat from climate change and fishing. Credit: Eitan Abramovich/AFP via Getty Images

Record Krill Catch Prompts Early End to Fishing Season in Antarctica and Growing Calls to Protect its Fragile Ecosystems

By Teresa Tomassoni

A crew works to construc a sea wall to reduce the risk of coastal flooding and erosion due to sea level rise on March 4 in La Baule, France. Credit: Loic Venance/AFP via Getty Images

New Climate Study Highlights Dire Sea Level Warnings

By Bob Berwyn

A colony of gentoo penguins gathers in Antarctica’s Gerlache Strait on Jan. 20, 2024. Credit: Juan Barreto/AFP via Getty Images

Penguin Poop May Help Preserve Antarctic Climate

By Bob Berwyn

Researchers walk down to the sea at the Argentinean Alimirante Brown Station on the Antarctic Peninsula. Credit: Ted Scambos/Cooperative Institute for Research in Environmental/UC Boulder

Trump Administration Decommissions Sea Ice Data That Sounded an Alarm on Arctic Climate Change

By Peter Aldhous

Tudor Morgan, with HX Expeditions, passes a recording device called a SoundTrap to Heidi Ahonen, a bioacoustician who has launched the first long-term project to monitor whales in the Gerlache Strait using passive acoustic monitoring. Credit: Teresa Tomassoni/Inside Climate News

Listening for Whale Sounds 1,000 feet Deep in the Antarctic Ocean

By Teresa Tomassoni

New research shows how freshwater from melting ice along the edge of Antarctica is changing the density of ocean layers, which could weaken the world's strongest ocean current by 20 percent in the next 25 years. Credit: Bob Berwyn/Inside Climate News

Global Warming Will Weaken Earth’s Strongest Ocean Current, New Study Predicts

By Bob Berwyn

An Adelie penguin is seen on Horseshoe Island in Antarctica on Feb. 14. Credit: Sebnem Coskun/Anadolu via Getty Images

Antarctica’s Fate Will Impact the World. Is It Time to Give The Region a Voice at Climate Talks?

By Katie Surma

A view of Norsel Point on the Antarctic Peninsula shows the emerging green areas in the region. Credit: Dan Charman

Greening of Antarctica Is Another Sign of Significant Climate Shift on the Frozen Continent

By Bob Berwyn

New research showing previously unmapped areas of meltwater on the surface Antarctic ice shelves raises concerns about the large-scale disintegration of those floating shelves. Credit: Sergio Pitamitz/VW Pics/Universal Images Group via Getty Images

Study Maps Giant Slush Zones as New Threat to Antarctic Ice

By Bob Berwyn

A decline of Antarctic sea ice will affect the entire food chain by changing the availability of plankton and krill, and in some cases, crowding animals closer together. Credit: Bob Berwyn/Inside Climate News

In Two New Studies, Scientists See Signs of Fundamental Climate Shifts in Antarctica

By Bob Berwyn

Thwaites Glacier ice cliffs can be several hundred feet high, with an area of ice nearly the size of Nebraska behind. Credit James Kirkham

New Research from Antarctica Affirms the Threat of the ‘Doomsday Glacier,’ but Funding to Keep Studying It Is Running Out

By Bob Berwyn

“Thwaites really is considered ground zero for the possibility of accelerated sea level rise this century.” Credit: Elizabeth Rush

Q&A: What an Author’s Trip to the Antarctic Taught Her About Climate—and Collective Action

Interview by Steve Curwood, Living on Earth

Emperor penguin adults with their chicks on fast ice on Snow Hill Island in Antarctica's Weddell Sea. Credit: Wolfgang Kaehler/LightRocket via Getty Images

Emperor Penguin Breeding Failure Linked With Antarctic Sea Ice Decline

By Bob Berwyn

An iceberg calving from Antarctica's Brunt Ice Shelf in February 2021. Credit: Gallo Images/Orbital Horizon/Copernicus Sentinel Data 2021

Antarctic Researchers Report an Extraordinary Marine Heatwave That Could Threaten Antarctica’s Ice Shelves

By Bob Berwyn

A view of an iceberg in Lemaire Channel in Antartica. Credit: Sebnem Coskun/Anadolu Agency via Getty Images

Scientists Report a Dramatic Drop in the Extent of Antarctic Sea Ice

By Bob Berwyn

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