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☆ Climate change is messing with time more than previously thought, scientists find
▼ + stars: | 2024-07-15 | by ( Laura Paddison | ) edition.cnn.com time to read: +6 min

CNN —The impacts of human-caused climate change are so overwhelming they’re actually messing with time, according to new research. “This is a testament to the gravity of ongoing climate change,” said Surendra Adhikari, a geophysicist at NASA’s Jet Propulsion Laboratory, and a report author. If the world continues to pump out planet-heating pollution, “climate change could become the new dominant factor,” outpacing the moon’s role, he told CNN. They found the impact of climate change on day length has increased significantly. They found any influence from the molten core was outweighed by that of climate change.

Persons: ”, Surendra Adhikari, “, Benedikt Soja, , Olivier Marin, ” Adhikari, Mostafa Kiani Shahvandi, Shahvandi, Duncan Agnew, Jacqueline McCleary, It’s Organizations: CNN, National Academy of Sciences, GPS, Jet Propulsion Laboratory, Swiss, ETH Zurich, Getty, University of California San, Northeastern University, Zurich’s Soja Locations: Scoresby, East Greenland, AFP, Greenland, Antarctica, University of California San Diego

☆ Melting polar ice is changing the way the Earth spins, making our days longer
▼ + stars: | 2024-07-15 | by ( Laura Paddison | ) edition.cnn.com time to read: +6 min

CNN —The impacts of human-caused climate change are so overwhelming they’re actually messing with time, according to new research. “This is a testament to the gravity of ongoing climate change,” said Surendra Adhikari, a geophysicist at NASA’s Jet Propulsion Laboratory, and a report author. These include processes in the planet’s fluid core, the ongoing impact of the melting of huge glaciers after the last ice age, as well as melting polar ice due to climate change. If the world continues to pump out planet-heating pollution, “climate change could become the new dominant factor,” outpacing the moon’s role, he told CNN. They found any influence from the molten core was outweighed by that of climate change.

☆ Humans pump so much groundwater that Earth’s axis has shifted, study finds
▼ + stars: | 2023-06-26 | by ( Mindy Weisberger | ) edition.cnn.com time to read: +5 min

CNN —Humans’ unquenchable thirst for groundwater has sucked so much liquid from subsurface reserves that it’s affecting Earth’s tilt, according to a new study. That shift is even observable on Earth’s surface, as it contributes to global sea level rise, researchers reported in the study published June 15 in the journal Geophysical Research Letters. Seo and his colleagues had questions about long-term changes to the axis — specifically, how groundwater contributed to that phenomenon. Revealing groundwater extraction’s impactShifts in Earth’s axis are measured indirectly through radio telescope observations of immobile objects in space — quasars — using them as fixed points of reference. The redistribution of groundwater tilted Earth’s rotational axis east by more than 31 inches (78.7 centimeters) in just under two decades, according to the models.

Persons: ”, Ki, Weon Seo, Surendra Adhikari, Adhikari, Seo, ” Adhikari, “, ” Seo Organizations: CNN, Research, Seoul National University, Jet Propulsion Laboratory, NASA Locations: South Korea, North America, India

☆ The Earth has tilted on its axis differently over the last few decades due to melting ice caps
▼ + stars: | 2023-03-21 | by ( Aylin Woodward | Marianne Guenot | ) www.businessinsider.com time to read: +7 min

Earth's axis — the invisible line around which it spins — is bookended by the north and south poles. But their geographic locations aren't fixed: As the Earth's axis moves, so do the poles. If you average out thousands of years of observation the Earth's axis points in a single direction — toward the North Star, also known as Polaris. The recent change to Earth's axis won't affect our everyday lives, but it could slightly tweak the length of our days. But let's be clear that this would be a tiny, tiny, tiny effect," he said.

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