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aerosols & particles

A coal-fired power plant on the Ohio River.
Posted inResearch Spotlights

Quantifying the Health Benefits of a U.S. Clean Energy Transition

by Rachel Fritts 23 May 202223 May 2022

Eliminating energy-related air pollution in the United States could prevent roughly 50,000 premature deaths and save billions of dollars per year.

A red and orange sky over Portland, Ore.
Posted inNews

Unhealthy Air Could Become Routine in the Pacific Northwest

by Jenessa Duncombe 7 April 20227 April 2022

If the world stays on fossil fuels, fine particle pollution from wildfire smoke could more than double in the late summer to early fall in the U.S. Pacific Northwest by 2100.

A photograph from a commercial flight showing a pyrocumulonimbus cloud forming over the 2019–2020 Australian bushfires.
Posted inNews

Australian Wildfires Linked to Ozone Layer Depletion

by Krystal Vasquez 4 April 20226 April 2022

New research shows that the Black Summer bushfires damaged the ozone layer, eliminating a decade’s worth of progress.

An aerial image of the windswept surface of Mars. The ground is rusty red with blacker sediment curling across the image in the form of dunes. A dusting of white snow accentuates the ridges of large and small scale dunes.
Posted inNews

Mars’s Dust Cycle Controls Its Polar Vortex and Snowfall

by Kimberly M. S. Cartier 1 April 20221 April 2022

On Earth, the water cycle is a dominant climate force. On Mars, it’s the dust.

An image of the Sonnblick Observatory with snow
Posted inNews

The Alps Are Dusted with Nanoplastics

by Stacy Kish 30 March 202220 April 2022

A new study finds the lofted pollutants came from major European cities, but further study is required to fully understand the plastics’ transport and deposition processes.

The Amazon Tall Tower Observatory is a joint Brazilian-German research station with a 325-meter tower making environmental observations in the Amazon.
Posted inFeatures

Africa’s Earth, Wind, and Fire Keep the Amazon Green

by J. Besl 23 March 202225 March 2022

Jet streams sprinkle North African dust over the Amazon, providing the rain forest with much needed nutrients. Changing wind patterns and increasing smoke may shift the system.

A river of molten lava flows across a steaming black basalt landscape. The river flows from a volcanic rift near the top right of the image toward the bottom left. The fissure is filled with brighter and hotter lava and steam and gas billows up from it. The sky on the horizon is a hazy blue-gray.
Posted inNews

The Surprising Greenhouse Gas That Caused Volcanic Summer

by Kimberly M. S. Cartier 21 March 202212 April 2022

Extended periods of volcanism known as flood basalt eruptions lead to volcanic winters, which are often followed by an extended period of warming. But it was more than just carbon dioxide that warmed the globe.

Plot showing results of using the new fingerprint analysis for global land mean near-surface air temperature for 6 CMIP6 models and the multi-model mean.
Posted inEditors' Highlights

Framework for Fingerprinting Human Influence on Climate

by Suzana Camargo 15 March 202215 March 2022

An optimal approach for detection and attribution studies using the CMIP6 Detection and Attribution Model Intercomparison Project (DAMIP).

Las partículas de carbono negro se esparcen por toda nuestra atmósfera, producidas por la quema de combustible o procesos industriales.
Posted inResearch Spotlights

¿Cuánto tiempo permanecen las partículas de carbono negro en la atmósfera?

by Sarah Derouin 8 March 202222 March 2022

Investigadores descubren cómo el carbono negro evoluciona de partículas hidrofóbicas a sitios de nucleación de nubes, removiendo eventualmente las partículas que absorben calor del cielo.

Aerial photo of Manaus, Brazil
Posted inNews

Pollution Is Disrupting Rain Cycles in the Amazon

by Meghie Rodrigues 4 March 202229 April 2022

A team of researchers in Brazil and the United States uncovered the importance of the mechanism of oxidation—a process with the potential to affect climate and precipitation across the tropics.

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From AGU Journals

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Paleoceanography and Paleoclimatology
“Near-Future pCO2 During the Hot Miocene Climatic Optimum”
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“Surface uplift, tectonics, and erosion of eastern Tibet from large-scale drainage patterns”
By M. K. Clark et al.

HOT ARTICLE
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“Nationwide and Regional PM2.5-Related Air Quality Health Benefits from the Removal of Energy-Related Emissions in the United States”
By Nicholas A. Mailloux et al.


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