Pam Pearson

Moss Reveals Past Hotspots of Rapid Glacier Change on Antarctic Peninsula

Geology, 20 January 2023 Researchers in the northern Antarctic Peninsula can use frozen moss samples to measure the growth and…

3 years ago

After Decades of Ice Loss, Cascades’ Hinman Glacier Succumbs to Hot and Dry Summer of 2022

News Briefing: 2 February 2023 For the first time in at least seven thousand years, the Hinman Glacier’s ice and…

3 years ago

COP27 Video of the Week: “A Message from Cryosphere 2022” with Svanndís Svavarsdóttir, Iceland’s Minister of Food, Agriculture and Fisheries

This event summarized the key messages from the five-day conference “Cryosphere 2022: International Symposium on Ice, Snow, and Water in…

3 years ago

Rising Temperatures Prevent Layers of Snow from Stabilizing Antarctic Ice Shelves

Nature Climate Change, 26 January 2023 Future atmospheric warming will likely overpower the ability of snow to protect Antarctic ice…

3 years ago

Deforestation in South America Increases Ice Loss in Tibetan Plateau and West Antarctica

Nature Climate Change, 5 January 2023 Rising temperatures can push parts of the climate system across “thresholds” that trigger abrupt…

3 years ago

COP27 Video of the Week: “Passed Threshold: Arctic Summer Sea Ice and 2022 State of the Cryosphere Report” with Pam Pearson and Robbie Mallett

The IPCC Sixth Assessment Report noted that due to emissions to-date, summer loss of Arctic sea ice will now inevitably…

3 years ago

Coldest Regions of Greenland at Highest Temperatures in At Least the Past 1,000 Years

Nature, 18 January 2023 Rising emissions are warming and increasing meltwater runoff in northern Greenland, one of the most remote…

3 years ago

“Atlantification” of Greenland’s Fjords Increases Ice Loss and Threatens Local Ecosystems

Nature Communications, 10 December 2022 Warm Atlantic waters have been filling fjords and coastal areas along northeast Greenland for the…

3 years ago

COP27 Video of the Week: “Antarctica and Greenland: Nearing Thresholds from Different Ends” with Jason Box, Chris Stokes, and Florence Colleoni

The two polar ice sheets of Greenland and Antarctica are losing ice, with both increasingly contributing to sea level rise.…

3 years ago

Two-Thirds of Native Antarctic Species At Risk of Extinction by 2100

PLOS Biology, 22 December 2022 In this study, scientists, conservation experts and policymakers from a dozen countries came together to…

4 years ago

Decline in Alps Snowpack Unprecedented for at Least Six Centuries

Nature Climate Change, 12 January 2022 Researchers in the European Alps can use juniper shrubs to reconstruct snow conditions from…

4 years ago

Polar Bear Populations Dramatically Decrease Across Canada’s Hudson Bay

News Briefing: 27 December 2022 The Government of Nunavut released an assessment in late December in partnership with Arctic scientists,…

4 years ago

COP27 Video of the Week: “Emperor Penguins on a Slippery Slope to Extinction” with Rod Downie, Dame Jane Francis, Michelle LaRue, Stephanie Jenouvrier, and Jane Rumble

Antarctic marine species and ecosystems face an uncertain future, especially those that live in close association with ice. This event…

4 years ago

New 2100 Glacier Projections Show Stark Choices between Low and High Emissions Policies

Science, 6 January 2023 Improved glacier-specific projections that incorporate more detailed satellite measurements and ice dynamics forecast greater glacier loss…

4 years ago

Cryosphere Pavilion Video of the Week: “Global Glacier Meltdown: Every Degree of Warming Matters” with Dr. Regine Hock

This COP26 video with IPCC scientist Dr. Regine Hock, University of Oslo/University of Alaska and one of the above paper's…

4 years ago