Snow and Avalanches News

February 23, 2025

Top Headlines

Nitrogen Fixation on Marine Particles Is Important in the Global Ocean

Feb. 19, 2025 — Nitrogen is essential for all life on Earth. In the global oceans, however, this element is scarce, and nitrogen availability is therefore critical for the growth of marine life. Some bacteria found in marine waters can convert nitrogen gas (N2) to ...

'Glacial Fracking': A Hidden Source of Arctic Greenhouse Gas Emissions

Feb. 19, 2025 — Arctic glaciers are leaking significant amounts of methane, a potent greenhouse gas. Glacial melt rivers and groundwater springs are transporting large volumes of methane from beneath the ice to the atmosphere. This previously unrecognized process ...

Resilient Algae May Speed Up Greenland Ice Melt

Feb. 19, 2025 — New research reveals that ice algae can store nutrients which may enable them to colonize more of the ice sheet, darkening and melting ...

Global Retreat of Glaciers Has Strongly Accelerated

Feb. 19, 2025 — Researchers present a global assessment of ice loss since the beginning of the millennium. In a global comparison, the glaciers in the Alps and Pyrenees are melting the ...

Latest Headlines

updated 11:21pm EST

Nanoplastics at Lofty Heights

Feb. 13, 2025 — Nanoplastics -- plastic particles smaller than 1 m -- are widely dispersed because of their low weight. A research team now shows the extent to which glaciers at an altitude of more than 3,000 m in ...

Arctic Cyclones Could Be Missing Link in Sea Ice Depletion Models

Feb. 12, 2025 — A study gives possible insight into the underprediction of sea ice depletion and the formation of Arctic cyclones. The study could lead to more accurate weather and climate models and better ...

Model of Antarctica's Water Enhances Sea Level Forecasts

Feb. 11, 2025 — Researchers have generated the first dataset of water flow beneath the entire Antarctic Ice Sheet, which will lead to more accurate projections of sea level rise. The team modeled Antarctica's ...

An Arctic 'Beyond Recognition' by 2100

Feb. 7, 2025 — Based on the current pledges of countries for limiting their emissions of greenhouse gases, global temperatures are projected to reach 2.7 degrees Celsius beyond pre-industrial levels by the end of ...

Ice Streams Move Due to Tiny Ice Quakes

Feb. 6, 2025 — An international team of researchers has shown that countless tiny ice quakes take place in one of Greenland's mightiest ice streams. This finding will allow the flowing of the ice sheet and ...

Temperature, Rainfall and Tides Speed Glacier Flow on a Daily Basis

Feb. 3, 2025 — Detailed study of a Greenland glacier's flow rate reveals the impact of environmental ...

More, Bigger Crevasses Open Up in Greenland Ice Sheet, Threatening Increased Sea Level Rise

Feb. 3, 2025 — More crevasse activity could lead to positive feedback loop threatening Greenland glacier's ...

Antarctic Fast Ice Secrets

Jan. 29, 2025 — Scientists have successfully analyzed more than 30 years of vital data on the thickness of landfast sea ice in Antarctica's McMurdo Sound, which will prove useful to measure future impacts of climate ...

How Animal Poop Helps Ecosystems Adapt to Climate Change

Jan. 27, 2025 — Relatives of the llama are dropping dung as they venture into higher elevations in the Andes Mountains, providing a nutrient-rich environment for life to thrive despite glacier ...

Researchers Use Lab Data to Rewrite Equation for Deformation, Flow of Watery Glacier Ice

Jan. 9, 2025 — Laboratory experiments designed to deform ice at its pressure-melting temperature were like grabbing a bagel at the top and the bottom, then twisting ...

Marked Decrease in Arctic Pressure Ridges

Jan. 6, 2025 — In the Arctic, the old, multiyear ice is increasingly melting, dramatically reducing the frequency and size of pressure ridges. These ridges are created when ice floes press against each other and ...

ESA and NASA Satellites Deliver First Joint Picture of Greenland Ice Sheet Melting

Dec. 20, 2024 — Scientists have delivered the first measurements of Greenland Ice Sheet thickness change using data from ESA and NASA ice satellite missions. With global warming causing the Greenland Ice Sheet to ...

Buried Landforms Reveal North Sea's Ancient Glacial Past

Dec. 13, 2024 — Glaciologists used sound waves to reveal Ice Age landforms buried beneath almost 1 km of mud in the North Sea. The results suggest that the landforms were produced about 1 million years ago, when an ...

Bighorn Sheep Face Death by Avalanche in Sierra Nevada Range

Dec. 10, 2024 — Snow cover in the Sierra Nevada is expected to shrink overall as the climate warms, but avalanche frequency could remain the same or even increase at high elevations. That's bad news for bighorn ...

Antarctica's Irregular Heartbeat Shows Signs of Rapid Melting

Dec. 10, 2024 — Geoscientists have created a new climate record for early Antarctic ice ages. It reveals that the early Antarctic ice sheet melted more rapidly than previously ...

Record-Low Antarctic Sea Ice Can Be Explained and Forecast Months out by Patterns in Winds

Dec. 6, 2024 — Researchers show that the all-time record low in winter sea ice extent in 2023 can be explained by warm Southern Ocean conditions and patterns in the winds that circled Antarctica months earlier, ...

Alaska's Changing Environment

Dec. 3, 2024 — The University of Alaska Fairbanks released a new report this week highlighting environmental changes and extremes that impact Alaskans and their livelihoods. 'Alaska's Changing ...

Countdown to an Ice-Free Arctic: New Research Warns of Accelerated Timelines

Dec. 3, 2024 — Scientists demonstrate how a series of extreme weather events could lead to the Arctic's first ice-free day within just a few ...

The Melting of Greenland: A Climate Challenge With Major Implications for the 21st Century

Nov. 29, 2024 — The melting of Greenland is accelerating, with an estimated loss of between 964 and 1735 gigatons of ice per year by 2100 in a scenario of high greenhouse gas emissions (SSP585), according to three ...

Researchers Show Complex Relationship Between Arctic Warming and Arctic Dust

Nov. 26, 2024 — A study found that dust from snow- and ice-free areas of the Arctic could be an important contributor to climate change in the region. Higher levels of dust help promote the formation of ice crystals ...

Under-Ice Species at Risk as Arctic Warms

Nov. 26, 2024 — 'Specialist' lifeforms that live under Arctic sea ice are at risk as the ice retreats, new research ...

Faster Flowing Glaciers Could Help Predict Nearby Volcanic Activity

Nov. 14, 2024 — Glaciers that are within three miles of a volcano move nearly 50% quicker than average, a new study has found, which could help create early warning of future ...

Measurements from 'Lost' Seaglider Offer New Insights Into Antarctic Ice Melting

Nov. 8, 2024 — New research reveals for the first time how a major Antarctic ice shelf has been subjected to increased melting by warming ocean waters over the last four decades. Scientists say the study -- the ...

Planting Trees in the Arctic Could Make Global Warming Worse, Not Better, Say Scientists

Nov. 7, 2024 — Tree planting has been widely touted as a cost-effective way of reducing global warming, due to trees' ability to store large quantities of carbon from the atmosphere. But, an international ...

Groundbreaking Study Provides New Evidence of When Earth Was Slushy

Nov. 5, 2024 — At the end of the last global ice age, the deep-frozen Earth reached a built-in limit of climate change and thawed into a slushy planet. Results provide the first direct geochemical evidence of the ...

Large Meltwater Accumulation Revealed Inside Greenland Ice Sheet

Oct. 30, 2024 — A new study unveils a surprising discovery: a substantial amount of meltwater is temporarily stored within the Greenland Ice Sheet during summer months. For the first time, an international group of ...

Melting Arctic Sea-Ice Could Affect Global Ocean Circulation

Oct. 27, 2024 — The warming climate in polar regions may significantly disrupt ocean circulation patterns, a new study indicates. Scientists discovered that in the distant past, growing inflows of freshwater from ...

Paws of Polar Bears Sustaining Ice-Related Injuries in a Warming Arctic

Oct. 22, 2024 — Polar bears in some parts of the high Arctic are developing ice buildup and related injuries to their feet. The changes appear to be an unexpected consequence of climate change, related to changing ...

Hidden Biological Processes Can Affect How the Ocean Stores Carbon

Oct. 10, 2024 — Microscopic organisms in the ocean play a key role in removing carbon dioxide from the atmosphere. A new study unveils a hidden biological factor that could change our understanding of how this ...

Snowflake Dance Analysis Could Improve Rain Forecasts

Oct. 10, 2024 — Research observing the physical motion of falling ice crystals could help scientists better estimate where and when these crystals will melt into ...