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News
How do scientists know if climate change made a heat wave, extreme storm or wildfire worse?
1+ mon, 2+ week ago (511+ words) This article by Kevin T. Smiley, Louisiana State University; Deepti Singh, Washington State University; Jennifer Marlon, Yale University; and Jim Hurrell, Colorado State University, first appeared in The Conversation, republished with permission....
A Warmer World Will Be a Smokier One
1+ mon, 3+ week ago (365+ words) When dense clouds of smoke from wildfires in Canada last smothered large parts of North America in 2023, the hazy skies were a shocking new phenomenon for many residents. But climate change threatens to make it a recurring problem. “What we’re…...
Damming the Bering: Could a dam on the far side of the world stabilise the AMOC?
4+ mon, 1+ week ago (260+ words) New research explores whether building a massive dam across the Bering Strait could help stabilise the Atlantic Meridional Overturning Circulation (AMOC), a key ocean current system threatened by climate change, and weighs the scientific uncertainties, geoengineering risks and ethical questions…...
Ancient ice reveals how Earth cooled over millions of years
5+ mon, 3+ week ago (1177+ words) For more than a century, scientists have known that Earth wasn’t always the cooler, ice-capped planet we live on today. As recently as three million years ago, temperatures and sea levels were higher – evidence that appears in everything from temperate…...
Photos: New ice core studies expand histories of greenhouse gases, ocean temperature
5+ mon, 3+ week ago (857+ words) Raising the Foro Drill, Allan Hills, Antarctica. 2022-2023. Drilling tent at Allan Hills during the 2019-20 season. A windy day at Allan Hills, Antarctica. December 2022. New analyses by Oregon State University and Princeton University researchers of ancient ice from Antarctica and the…...
Blurring the Past: How Ice Core Physics Undermines ‘Unprecedented’ CO₂ Claims
5+ mon, 3+ week ago (252+ words) Peter Clack writes on X:A common climate myth is that modern CO₂ is rising faster than anything in 800,000 years. The truth is, no one can ever know. And this is where the science rubber really hits the road. There’s no way…...
Earth’s Climate Records Are Melting - Eos
5+ mon, 3+ week ago (639+ words) In 2019, researchers collected a 9.5-meter ice core from Austria’s Weißseespitze ice cap, which covers the top sections of Gepatschferner Glacier in the eastern Alps, near the Austrian-Italian border. They analyzed 18 trace elements and organic acids in the core to paint…...
New ice core studies expand histories of greenhouse gases and ocean temperature to 3 million years
5+ mon, 3+ week ago (833+ words) CORVALLIS, Ore. — New analyses of ancient ice from Antarctica and the air contained inside it are extending the history of Earth’s climate records and expanding researchers’ understanding of how the planet has changed over the last 3 million years. The findings,…...
Ice core reveals low CO2 during warm spell 3 million years ago
5+ mon, 3+ week ago (510+ words) For the first time, scientists have measured atmospheric gases from the late Pliocene, yielding data that could help to predict the future climate The drilling site at Allan Hills in Antarctica where researchers extracted a 3-million-year-old ice coreAustin Carter Bubbles…...