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aerosols & particles

Tres hombres con chaquetas amarillas y cascos están de pie junto a un árbol talado o caído. El aire a su alrededor es polvoriento, y uno de ellos levanta un terrón.
Posted inFeatures

Donde hay fuego, hay humo

by Emily Dieckman 16 September 202516 September 2025

Utilizando los instrumentos de monitoreo existentes y nuevos, investigadores trabajan para comprender mejor la calidad del aire durante y después de los incendios forestales de Los Ángeles.

A layer of clouds seen from overhead from an airplane
Posted inNews

Dust Is the Sky’s Ice Maker

by Saugat Bolakhe 5 September 20255 September 2025

New analysis links desert dust to cloud freezing, with big implications for weather and climate models.

Tres hombres con chaquetas amarillas y cascos están de pie junto a un árbol talado o caído. El aire a su alrededor es polvoriento, y uno de ellos levanta un terrón.
Posted inFeatures

Where There’s Fire, There’s Smoke

by Emily Dieckman 26 August 202516 September 2025

Using both existing and newly launched monitoring instruments, researchers work to better understand air quality during and after the Los Angeles wildfires.

A schematic of the Pi Cloud Chamber.
Posted inEditors' Highlights

From Aerosols to Clouds: Testing Models with a Convection Cloud Chamber

by Jiwen Fan 25 August 202520 August 2025

Researchers benchmark seven cloud models against cloud chamber measurements to reveal how well models capture aerosol-cloud-turbulence interactions and where models still diverge.

A tractor pulling a plow over a dirt field and generating dust is seen from above.
Posted inNews

Fallowed Fields Are Fueling California’s Dust Problem

by Andrew Chapman 13 June 202512 June 2025

New research shows that unplanted agricultural lands are behind most of the state’s anthropogenic dust events.

A penguin projectile-pooping on ice near water
Posted inNews

Pungent Penguin Poop Produces Polar Cloud Particles

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 22 May 202522 May 2025

The discovery highlights how penguins and other polar seabirds help shape their environments, even as they are under threat from climate change.

The Taj Mahal is cloaked in a haze of pollution, making the edges of buildings and vegetation blurry.
Posted inResearch Spotlights

Heat and Pollution Events Are Deadly, Especially in the Global South

Sarah Derouin, Science Writer by Sarah Derouin 14 May 202514 May 2025

Researchers found that the combination of heat waves and high PM2.5 pollution led to nearly 700,000 premature deaths in the past 30 years—most of which occurred in the Global South.

A gif of images from Mars that show distant mountains gradually being blocked from view by blowing red dust
Posted inResearch Spotlights

Martian Dust Will Be a Health Hazard for Astronauts

by Rebecca Dzombak 14 March 202514 March 2025

Prolonged exposure to the Red Planet’s regolith, which contains carcinogens and toxic metals, could pose respiratory threats and increase chronic disease risk.

Photo of the empty streets of Times Square.
Posted inEditors' Vox

Particulate Pollution and its Climate Impacts During the COVID-19 Pandemic

by Yuan Wang 24 February 202524 February 2025

The impacts of COVID-19 on short-lived pollutants highlight the predominant influence of the transportation sector and the resulting changes in regional climates and ecosystems.

Photo of clouds with a sunset in the background.
Posted inEditors' Highlights

Characterizing the Space Between Clouds and Clear Sky

by Susan Trumbore 7 February 20257 February 2025

The area near clouds is often classified as ‘clear sky’, but a new study demonstrates the potential biases of misclassifying these transition zones and their significance for Earth’s energy budget.

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Features from AGU Publications

Research Spotlights

Droughts Sync Up as the Climate Changes

18 September 202518 September 2025
Editors' Highlights

Are There Metal Volcanoes on Asteroids?

18 September 202516 September 2025
Editors' Vox

In Appreciation of AGU’s Outstanding Reviewers of 2024

18 September 202518 September 2025
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