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Photograph of a rocky hillslope with two people sitting at the top, in the distance.
Posted inNews

UV Radiation Contributed to Earth’s Biggest Mass Extinction

by Rachel Fritts 10 February 202327 February 2023

To find the first direct evidence of heightened UV radiation during the end-Permian mass extinction, researchers turned to chemical evidence preserved in pollen grains.

Plants with thick, fleshy, pointed green leaves in the foreground, brown fossil in the background
Posted inNews

Small Shrubs May Have Played a Large Role in Decarbonizing the Ancient Atmosphere

by Meghie Rodrigues 9 February 20239 February 2023

Vascular plants may have contributed to shaping Earth’s atmosphere long before trees evolved.

Claude Monet’s painting Houses of Parliament, Sunlight in the Fog (1904).
Posted inNews

¿Estaban los maestros impresionistas retratando una realidad contaminada?

by James Dacey 3 February 202322 March 2023

Análisis de imágenes sugiere que el estilo de los artistas evolucionó en sincronía con el incremento de la contaminación en el aire durante la Revolución Industrial.

Two people, flanked by two observers, stand among a field of boulders, guiding a large hand drill through the length of a white fossilized coral.
Posted inNews

El Niño Varies More Intensely Now Than in the Past Millennium

by Luis Melecio-Zambrano 15 December 20221 February 2023

Researchers found evidence for a strengthening El Niño in living and fossilized Galápagos corals.

Claude Monet’s painting Houses of Parliament, Sunlight in the Fog (1904).
Posted inNews

Were Impressionist Masters Painting a Polluted Reality?

by James Dacey 12 December 202222 March 2023

Image analysis suggests that artists’ styles evolved in sync with increasing air pollution during the Industrial Revolution.

Detailed image of stalagmite in India’s Mawmluh cave
Posted inNews

Stalagmites Show Evidence of Prolonged Droughts in India

by Nancy Averett 24 October 202224 October 2022

A new study using oxygen isotopes reconstructs a prolonged record of India’s summer monsoons, showing much greater variability than modern data sets.

A person stands amid tall trees on a lush green mountainside.
Posted inResearch Spotlights

Amazon Basin Tree Rings Hold a Record of the Region’s Rainfall

by Rachel Fritts 11 October 202211 October 2022

New research provides a 200-year reconstruction of interannual rainfall in the Amazon basin using oxygen isotopes preserved in tree rings in Ecuador and Bolivia.

Satellite image of ancient lava flows on Mars
Posted inNews

This One Simple Trick Helps Us Understand How Much Water Is in Martian Lavas

by Erik Klemetti 24 August 202216 September 2022

Understanding how much water is in Martian magma is vital for understanding whether the Red Planet had seas in its early history.

Remains of settlements in Northern Ireland’s uplands.
Posted inNews

Peat Uncovers a Uniquely Resilient Irish Community

by Clarissa Wright 25 May 202227 March 2023

Researchers reveal an abandoned settlement in Northern Ireland that showed unusual resilience during calamities including epidemics, famine, and climate change.

Electron microscopy image of the charcoal found at the Than Formation in Saurashtra Basin, Gujarat, India.
Posted inNews

Cretaceous Charcoal Gives a Glimpse of Plant Evolution

by Meghie Rodrigues 18 April 20221 August 2022

New data from vegetal charcoal in northwest India supports the theory of paleowildfires as a global phenomenon and an evolutionary force for biodiversity.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Earth’s Future
“How to Build a Climate-Resilient Water Supply”
By Rachel Fritts

EDITORS' HIGHLIGHTS
AGU Advances
“How Do Atmospheric Rivers Respond to Extratropical Variability?”
By Sarah Kang

EDITORS' VOX
Reviews of Geophysics
“Rare and Revealing: Radiocarbon in Service of Paleoceanography”
By Luke C. Skinner and Edouard Bard

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