Pam Pearson

Antarctica’s Glacial Border Shifts Many Kilometers Every Day with the Tides

The Cryosphere, 26 September 2023 The "grounding line" of the southern Ronne Ice Shelf in Antarctica can migrate up to…

3 years ago

Video of the Week: “The Road to COP28: Melting Ice, Rising Seas and Why 2°C is Too High” from UNGA Climate Week

Following the UN General Assembly and Climate Ambition Summit in New York, leaders from the Ambition on Melting Ice (AMI)…

3 years ago

Current Climate Warming Enough to Set West Antarctica on Path to Irreversible Collapse

The Cryosphere, 7 September 2023 Two groundbreaking studies reveal that remaining at today's 1.2°C could trigger the slow but certain…

3 years ago

Latest Observations: Antarctica Warming Nearly Two Times Faster Than the Rest of the World

Nature Climate Change, 7 September 2023 The Arctic long has been characterized by warming two-four times the global average; now,…

3 years ago

East Antarctica’s “Weak Underbelly” Retreating Nearly as Fast as West Antarctic Glaciers

The Cryosphere, 31 August 2023 Latest observations confirm that the Vanderford Glacier in Wilkes Land, East Antarctica, is the third…

3 years ago

Perspective: Sweltering Heatwaves Paint Grim Outlook for Many Glaciers Globally

News Briefing, 25 August 2023 Soaring temperatures have visibly impacted many mountain glaciers across the planet in past months, as…

3 years ago

Catastrophic Penguin Die-off Caused by Antarctica Sea Ice Decline

Communications Earth & Environment, 24 August 2023 Researchers have confirmed that an extremely early Antarctic sea ice breakup led to…

3 years ago

COP27 Video of the Week: “Witnesses of a Melting Glacier: Monitoring Activity from Marmolada to the Peaks of Georgia”

In summer 2022, a team of scientists undertook expeditions to Italy and Georgia to monitor the melting of glaciers, and…

3 years ago

Melting Glaciers Expose Vulnerable New Ecosystems in Need of Protection

Nature, 16 August 2023 An international team of glaciologists has created the first assessment of new ecosystems that will emerge…

3 years ago

Permafrost Riverbanks Erode Faster in a Warming Arctic

Journal of Geophysical Research: Earth Surface, 20 July 2023 Rising air and water temperatures have increased riverbank erosion in permafrost…

3 years ago

COP27 Video of the Week: “Glaciers of Colombia and Ecuador”

Mountain glaciers provide an essential source of freshwater for downstream communities, particularly during the dry season. This COP27 session explored…

3 years ago

Every Increment of Warming Increases Antarctic Extreme Events, Global Hazards

Frontiers in Environmental Science, 8 August 2023 Extreme events in Antarctica will become more frequent and pronounced unless drastic action…

3 years ago

Extreme Melt Events Increase Sea Level Projections from the Greenland by 14%

The Cryosphere, 27 July 2023 A new process currently missing from climate models could increase sea level contributions from the…

3 years ago

COP27 Video of the Week: “The Arctic Ocean and Mid-latitudes: What’s Up with the Weather?”

The Arctic experiences warming up to four times faster than the global average; and the loss of sea ice is…

3 years ago

Confirmation that NW Greenland was Ice-Free During Sustained 1°C-2°C Warming in Earth’s Past

Science, 20 July 2023 Ancient sediments trapped beneath the northwestern portion of Greenland's ice sheet confirm ice-free conditions existed for…

3 years ago