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Climate Change

Researchers untangle how large-scale convection scales respond to changes in atmospheric ozone.
Posted inResearch Spotlights

Could Stratospheric Ozone Depletion Make Hadley Cells Expand?

by S. Witman 21 April 20171 March 2023

Convection-driven Hadley cells are expanding poleward. Scientists now may have uncovered part of the reason why.

Aerosol concentrations in different regions of eastern China are impacted differently by El Niña.
Posted inResearch Spotlights

La Niña Subtype May Have a Big Impact on Aerosols in China

Sarah Stanley, Science Writer by Sarah Stanley 19 April 201713 February 2023

During a newly identified "flavor" of La Niña called La Niña Modoki, aerosol concentrations over different regions of eastern China may depend heavily on the strength of the event.

Microbes in the soil are central players in converting carbon into greenhouse gases.
Posted inAGU News

How Do Microbial Ecosystems and Climate Change Interact?

Billy M. Williams, director, Science, AGU by B. M. Williams 18 April 201720 April 2023

The American Society for Microbiology and the American Geophysical Union offer insights from a transdisciplinary collaboration of their scientists regarding this question and areas for further study.

Maple forest in winter.
Posted inResearch Spotlights

As Winters Get Warmer, Sugar Maples May Absorb Less Silicon

Sarah Stanley, Science Writer by Sarah Stanley 17 April 20179 December 2021

Rising temperatures that reduce snow cover leave soils vulnerable to frost, reducing silicon uptake by trees, with potential effects on downstream ecosystems.

Researchers examine the exchange of carbon dioxide between the air and water in an Arctic region where thick ice has prevented ship passage.
Posted inResearch Spotlights

How Arctic Ice Affects Gas Exchange Between Air and Sea

Sarah Stanley, Science Writer by Sarah Stanley 14 April 20179 August 2022

Scientists begin to fill a major data gap by investigating carbon dioxide dynamics in a remote region of the Arctic Ocean.

Posted inResearch Spotlights

Better Estimates of Clouds' Climate Effects Are on the Horizon

Sarah Stanley, Science Writer by Sarah Stanley 14 April 201729 March 2023

A recent update to an algorithm for processing satellite data could improve understanding of the variable climate effects of clouds composed of different amounts of ice and liquid.

Posted inEditors' Vox

Could Subsea Methane Hydrates Be a Warming “Tipping Point”?

by Alan Robock 13 April 201731 July 2023

The authors of a recent paper in Reviews of Geophysics answer questions about the potential for subsea methane hydrates to contribute to global warming.

Amanita thiersii mushrooms
Posted inResearch Spotlights

Mushrooms Could Provide a Record of Grassland History

Alexandra Branscombe by A. Branscombe 11 April 20174 October 2021

Scientists measured carbon isotopes in certain types of fungi to assess whether the organisms can track how climate change is affecting grasses.

Sparse vegetation grows in special areas of the frosty soils in Komi Republic, in northwestern Russia.
Posted inResearch Spotlights

High Arctic Emissions of a Strong Greenhouse Gas

Sarah Stanley, Science Writer by Sarah Stanley 6 April 201711 August 2022

Isotope data bring scientists one step closer to revealing the microbial processes behind nitrous oxide emission in the tundra.

Photos of clouds taken from the ground can offer details that satellites miss.
Posted inResearch Spotlights

Looking Up: Taking Photos May Improve Climate Models

by E. Underwood 4 April 201726 October 2021

Snapshots of clouds taken from the ground reveal orders of magnitude more detail than satellites.

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Features from AGU Publications

Research Spotlights

More Bubbles Means More Variation in Ocean Carbon Storage

8 July 20258 July 2025
Editors' Highlights

Defining the Tropopause in Chemical Transport Models

8 July 20258 July 2025
Editors' Vox

Water Tracks: The Veins of Thawing Landscapes

25 June 202525 June 2025
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