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ozone

Photo of a space shuttle in front of Earth's atmosphere.
Posted inEditors' Vox

An Air Parcel’s Journey Through the Stratosphere

by Hella Garny 25 April 202525 April 2025

The “age of stratospheric air” measures the speed of the global transport circulation in the stratosphere, which is crucial for understanding the distribution of important trace gases, like ozone.

Smog and haze over Salt Lake City
Posted inResearch Spotlights

Higher Ozone Levels Tied to Heart Attack Risk

by Nathaniel Scharping 10 March 202510 March 2025

For young adults, air pollution may increase risks of some kinds of heart attacks more than others.

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.

Map from the study
Posted inEditors' Highlights

Need for Better Accounting of CFC-12 Emissions from China

by Lynn Russell 18 July 202417 July 2024

New observations show that bottom-up tracking of CFC-12 emissions from China are underestimated, illustrating the need for better accounting for reductions from the Montreal Protocol.

Photo taken out of the window of a flight over Greenland
Posted inResearch Spotlights

What Happens in the Troposphere Doesn’t Stay in the Troposphere

by Rebecca Owen 17 June 202417 June 2024

A new study suggests that spillover of tropospheric ozone is affecting measurements of stratospheric ozone recovery more than previously realized.

Figure from the paper
Posted inEditors' Highlights

A Fast and Accurate Open-Source Atmospheric Transport Model

by Timothy DeVries 5 June 20243 June 2024

A new zonally-averaged atmospheric transport model will be useful for estimating emissions of ozone-depleting substances and greenhouse gases.

A rocket streaks across a dark blue sky, from the bottom left to the top right, leaving behind a bright white contrail.
Posted inResearch Spotlights

Uncertainty Abounds in Seeding the Sky to Fight Climate Change

Sarah Derouin, Science Writer by Sarah Derouin 9 January 20249 January 2024

Some scientists have suggested injecting solid particles such as alumina, calcite, or even diamonds into the atmosphere to temporarily limit climate warming. But new research shows there are still big unknowns.

D’après de nouvelles recherches, la sélaginelle (Selaginella kraussiana) rejette du chlorométhane atmosphérique au moyen d’un mécanisme jusque-là inconnu.
Posted inResearch Spotlights

Certaines plantes laissent une empreinte digitale chimique sur un gaz qui appauvrit la couche d’ozone

Sarah Stanley, Science Writer by Sarah Stanley 22 August 202322 August 2023

Une nouvelle étude, la première dans son genre, suggère qu’il serait possible de recourir à une analyse isotopique pour localiser les sources et les puits de chlorométhane dans l’atmosphère.

一片浅绿色的石松出现在深色岩石和深绿色植物的背景下。
Posted inResearch Spotlights

植物在破坏臭氧层的气体上留下化学指纹

Sarah Stanley, Science Writer by Sarah Stanley 12 June 202312 June 2023

一项首开先河的研究表明,同位素分析可以用来确定大气中氯甲烷的源和汇。

A light green piece of club moss appears against a background of dark rocks and darker green plants.
Posted inResearch Spotlights

Plants Leave Chemical Fingerprints on an Ozone-Depleting Gas

Sarah Stanley, Science Writer by Sarah Stanley 30 May 202322 August 2023

A first-of-its-kind study suggests that isotope analysis could be used to pinpoint sources and sinks of atmospheric methyl chloride.

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Rock Solid Augmentation: AI-Driven Digital Rock Analysis

21 May 202521 May 2025
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Decoding Crop Evapotranspiration

6 May 20256 May 2025
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