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ICESat-2's Laser Fires 2 Trillionth Shot, Spots Clouds
Greenbelt MD (SPX) Mar 17, 2025 Happy 2,000,000,000,000th, ICESat-2! NASA's Earth-observing laser in orbit passed a milestone on March 9 at 12:51 p.m. EDT - 16:51:00.268 UTC, to be precise - as its laser instrument fired for the 2 trillionth time and measured clouds off the coast of East Antarctica. ICESat-2's instrument, the Advanced Topographic Laser Altimeter System (ATLAS), uses rapid pulses of green laser light and an incredibly precise clock system to track the height of Earth's surface from space. Its first measurements f ... read more |
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AI reveals new insights into Antarctic ice flowLos Angeles CA (SPX) Mar 14, 2025 As climate change accelerates, the Antarctic ice sheet continues to shrink, contributing to rising sea levels worldwide. Holding enough frozen water to raise sea levels by approximately 190 feet, un ... more 
Intense Atmospheric Rivers Can Partially Replenish Greenland Ice Sheet LossBerlin, Germany (SPX) Mar 11, 2025 The Greenland Ice Sheet, the largest ice mass in the Northern Hemisphere, is experiencing significant melting due to climate change. However, a new study reveals that intense atmospheric rivers can ... more 
Scientists establish link between Earth's orbital shifts and ice age cyclesLos Angeles CA (SPX) Mar 11, 2025 Around 2.5 million years ago, Earth began experiencing alternating glacial and interglacial periods, with the last ice age concluding approximately 11,700 years ago. Now, a new study indicates that ... more 
World's sea ice cover hits record low in FebruaryParis (AFP) Mar 6, 2025 Global sea ice cover hit a historic low in February as the world endured exceptional heat, with temperatures near the North Pole soaring 11 degrees Celsius above average, Europe's climate monitor said Thursday. ... more |
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Study reveals how Earth's orbit controls ice agesWashington (AFP) Feb 27, 2025 The Earth's next ice age is expected to begin in about 11,000 years - unless human-caused global warming disrupts natural cycles. ... more 
'All eyes on Arctic': Canada boosts its northern forceYellowknife, Canada (AFP) Feb 26, 2025 In the mess hall of a Canadian military base a few hundred kilometers south of the Arctic Circle, Brigadier-General Daniel Riviere pointed to a map highlighting the region that is becoming a national priority. ... more 
Giant ice sheets shaped Earth's evolution by altering ocean chemistrySydney, Australia (SPX) Feb 26, 2025 New research from Curtin University has revealed that ancient glaciers played a crucial role in shaping Earth's environment, paving the way for the emergence of complex life. By chemically ana ... more 
'All eyes on Arctic': Canada boosts its northern forceYellowknife, Canada (AFP) Feb 25, 2025 In the mess hall of a Canadian military base a few hundred kilometers south of the Arctic Circle, Brigadier-General Daniel Riviere pointed to a map highlighting the region that is becoming a national priority. ... more 
Arctic military build-up brings foreign troops to northern FinlandSodankyla, Finland (AFP) Feb 25, 2025 Finnish conscripts in white and grey winter fatigues ski through a snowy forest near the border with Russia, dragging small pine trees behind them to camouflage tanks. ... more |
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Melting Glaciers Accelerate Freshwater Loss and Global Sea-Level Rise
Berlin, Germany (SPX) Feb 20, 2025 Glaciers, distinct from the massive ice sheets of Greenland and Antarctica, covered an area of 705,221 square kilometers globally in 2000 and held approximately 121,728 billion tons of ice. Since then, glaciers have collectively lost around 5% of their ice volume, with regional variations ranging from a 2% loss in the Antarctic and Subantarctic Islands to a striking 39% decline in Central Europe. On an annual basis, glaciers have shed 273 billion tons of ice, a loss that has surged by 36% between the fi ... read more 
Resilient Algae Accelerate Greenland Ice MeltBerlin, Germany (SPX) Feb 20, 2025 As the Arctic spring arrives earlier each year due to climate change, ice-dwelling algae are expanding their reach across Greenland's ice sheet, potentially accelerating its melt. These algae contai ... more |
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Glacial Ice Loss Escalates Freshwater Depletion and Sea Level RiseParis, France (SPX) Feb 20, 2025 A recent study underscores the accelerating loss of glacial ice worldwide, depleting regional freshwater reserves and significantly contributing to rising global sea levels. Conducted as part of the ... more 
Global glacier melt is accelerating, scientists sayParis (AFP) Feb 19, 2025 Ice loss from the world's glaciers has accelerated over the past decade, scientists said on Wednesday, warning that melting may be faster than previously expected in the coming years and drive sea levels higher. ... more 
Antarctica's Only Native Insect Adapts to Extreme Climate with Unique Dormancy StrategyTokyo, Japan (SPX) Feb 18, 2025 When thinking of Antarctic wildlife, penguins often come to mind, yet the continent is also home to a unique flightless midge, Belgica antarctica, the only known insect native to the region. This ti ... more
Research reveals how Earth got its ice capsLondon, UK (SPX) Feb 18, 2025 New research indicates that the cool conditions enabling Earth's ice caps to form are rare in the planet's history and require multiple complex factors occurring simultaneously. A team of scie ... more 
Ice streams move due to tiny ice quakesZurich, Switzerland (SPX) Feb 12, 2025 The great ice streams of the Antarctic and Greenland are like frozen rivers, carrying ice from the massive inland ice sheets to the sea - and a change in their dynamics will contribute significantly ... more |
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