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California

Pinyon pines and sagebrush above the basin of Baldwin Lake in the San Bernardino Mountains
Posted inResearch Spotlights

Southern California Climate Change over 100,000 Years

Kate Wheeling, freelance science writer by Kate Wheeling 11 February 20205 June 2023

Researchers used a sediment core from a lake in California’s San Bernardino Mountains to track the effect of climate on vegetation, fire, and erosion between about 120,000 and 15,000 years ago.

Posted inNews

Cortes de Energía, PG&E y el Futuro Vacilante de la Ciencia

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 10 February 202016 July 2025

Mientras los legisladores debaten sobre los apagones como una medida paliativa para resolver el problema de los incendios forestales en Estados Unidos, la ciencia pende de un hilo.

Transmission lines in the Mojave Desert
Posted inNews

Power Outages, PG&E, and Science’s Flickering Future

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 29 January 202012 December 2022

As lawmakers debate planned power outages as a Band-Aid to the nation’s wildfire problem, science hangs in the balance.

Aerial photo of a desert road offset by 2.5 meters
Posted inFeatures

Scientists Scramble to Collect Data After Ridgecrest Earthquakes

Katherine Kornei, Science Writer by Katherine Kornei 11 December 20196 October 2021

Ground shaking in Southern California, including a magnitude 7.1 temblor, triggered a massive mobilization effort to collect seismological, geological, and geodetic data.

Black-and-white photo of geologist Clyde Wahrhaftig, looking like a beatnik
Posted inNews

The Layered Legacy of Clyde Wahrhaftig

Korena Di Roma Howley, Science Writer by Korena Di Roma Howley 6 December 20193 November 2022

As the geologist’s beloved guidebook gets a digital makeover, his personal contributions to the field shed light on who he was as a scientist.

Photo of palm trees with lots of dead fronds in canyon in Alvarado Creek
Posted inNews

Iconic Palms Add to Fire Danger in Southern California

Megan Sever, Science Writer by Megan Sever 22 November 20196 October 2021

As fires burn across Southern California, researchers examine what role nonnative vegetation plays.

A collapsed portion of freeway after the Loma Prieta earthquake
Posted inNews

California Launches Nation’s First Earthquake Early Warning System

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 24 October 20196 October 2021

The country’s first publicly available, statewide warning system could give California residents crucial seconds to duck and cover before a quake.

Side view of individual trees generated in a lidar image
Posted inNews

The Bigger They Are, the Harder They Fall

Richard Sima, freelance science writer by Richard J. Sima 18 October 201924 March 2023

New research tracking 1.8 million trees found that tall trees died at more than twice the rate of smaller ones toward the end of extreme and persistent drought.

High population density, a potential for large earthquakes, and basins that amplify seismic waves put downtown Los Angeles at risk
Posted inScience Updates

Exposing Los Angeles’s Shaky Geologic Underbelly

by R. W. Clayton, P. Persaud, M. Denolle and J. Polet 10 October 201928 October 2022

Current calculations might underestimate the susceptibility of Los Angeles to earthquake shaking, so researchers and volunteers are deploying seismic networks near the city to remedy a data shortage.

Green and brown pine trees in a forest
Posted inNews

Foretelling Forest Death from Above

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 7 October 20191 March 2023

A satellite-based early-warning signal may spot the start of a forest’s decline and give forest managers more time to save its life.

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Features from AGU Publications

Research Spotlights

Machine Learning Simulates 1,000 Years of Climate

27 August 202527 August 2025
Editors' Highlights

As Simple as Possible: The Importance of Idealized Climate Models

28 August 202526 August 2025
Editors' Vox

Waterworks on Tree Stems: The Wonders of Stemflow

21 August 202520 August 2025
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