Pam Pearson

Methane Released from Sub-Arctic North American Wetlands Could Triple by 2100 Without 1.5°C Mitigation Pathways

Science Advances, 1 March 2023 Freshwater wetlands across the northern US and Canada will likely release three times more methane…

3 år ago

High-Risk Coastal Cities and Regions Mapped as Especially Vulnerable to Sea-Level Rise

Nature Climate Change, 2 March 2023 This study measures natural variations in local sea level and finds that future sea-level…

3 år ago

COP27 Video of the Week: “The ‘Country of Permafrost’ is the Major Emitter Missing from COP” with Gustaf Hugelius, Peter Frumhoff and Rachael Treharne

On our current warming trajectory, permafrost emissions may rival those of major economies in just a few decades. In this…

3 år ago

Antarctic Peninsula Glaciers Flow Up to One-Fifth Faster in Summer

Nature Geoscience, 27 February 2023 Researchers have known for decades that ice loss from Greenland increases during the spring and…

3 år ago

COP27 Video of the Week: “Egypt, Ice Sheets and Sea level Rise” with Dr. Florence Colleoni

The West Antarctic Ice Sheet (WAIS) is the most vulnerable region of the continent, and has the potential to contribute…

3 år ago

Increased Warming, Melting Destabilizes Glacier Lakes in Mountain Regions Worldwide

Nature, 15 February 2023 Glacial lake outburst floods (GLOFs) now occur at higher altitudes and six weeks earlier than they…

3 år ago

COP27 Video of the Week: “Mountains Connect: Collaboration and Partnerships Across Mountain Ranges” with Buddi Sagar Poudel, Harald Egerer, Yesica Fonseca, Helmut Hojesky, and Ladislaus Leonidas

The world’s mountain regions are all facing similar challenges in terms of accelerated climate change and impacts. Building on the…

3 år ago

2°C Insufficient to Prevent Substantial Ice Sheet Loss and Sea-Level Rise from Both Poles

Nature Communications, 14 February 2023 This study used a new integrated model that includes the complex interactions between ice sheets,…

3 år ago

COP27 Video of the Week: “Thresholds of the West Antarctic Ice Sheet” with Dr. Florence Colleoni

The West Antarctic Ice Sheet is the most vulnerable region of the continent and has the potential to contribute several…

3 år ago

15 Million Face Threat of Sudden Glacial Lake Outburst Floods (GLOFs)

Nature Communications, 7 February 2023 Fifteen million people around the world are at risk from flooding caused by glacial lakes,…

4 år ago

More Frequent Warm Atmospheric Rivers Slow Regrowth of Arctic Winter Sea Ice

Nature Climate Change, 6 February 2023 Warm air currents from the tropics have caused more than one-third of the sea…

4 år ago

Global Sea Ice Sets New January Record Low at Both Poles, with Unusually High Surface Air Temperatures

News Briefing: 6 February 2023 In January 2023, Arctic sea ice reached its second lowest extent for this time of…

4 år ago

COP27 Video of the Week: “High-level Event: Dedication of “Fallen Totem” Arctic Summer Sea Ice” with ICC’s Lisa Koperqualuk and Dr. Robbie Mallett

The Cryosphere Pavilion traditionally has five displays, one for each of the main cryosphere dynamics: ice sheets, mountain glaciers and…

4 år ago

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…

4 år 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…

4 år ago