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geoengineering

Mount Pinatubo, Philippines, erupts in 1991.
Posted inNews

Volcanic Eruptions in One Hemisphere Linked to Floods in the Opposite One

by Grace van Deelen 22 September 202522 September 2025

Asymmetric volcanic plumes may shift equatorial weather patterns and increase tropical stream flow, according to new simulations.

A woman with blonde hair, seated, speaks into a microphone. A name placard reads "Ms. Greene," and "Chairwoman."
Posted inResearch & Developments

Geoengineering Fears on Display at Congressional Hearing

by Grace van Deelen 16 September 202516 September 2025

Misunderstandings and disinformation abounded at a 16 September hearing of the Subcommittee on Delivering on Government Efficiency about geoengineering—efforts to alter Earth systems for the purpose of mitigating climate change.

Two people in kayak in icy water. A large iceberg is behind them.
Posted inResearch Spotlights

Underwater Glacier-Guarding Walls Could Have Unintended Consequences

by Saima May Sidik 12 September 202512 September 2025

Although they would likely impede the warm currents that melt glaciers, such walls would also likely block fish migration and nutrient upwelling, harming marine ecosystems and Greenland fisheries.

Primer plano de una veta blanca de calcita en roca basáltica gris con una pequeña planta sobre la roca.
Posted inOpinions

Verdaderas soluciones climáticas están debajo de nosotros

by Peter Reiners 29 July 20257 August 2025

Es momento de aceptar que el almacenamiento duradero de carbono en el subsuelo, junto con la reducción de emisiones, debe ser parte del plan para mitigar los efectos del cambio climático, y las geociencias deben desempeñar un papel central.

Close-up view of a white vein of calcite in gray basalt rock with a small plant on the rock.
Posted inOpinions

Real Climate Solutions Are Beneath Us

by Peter Reiners 2 May 202526 August 2025

It’s time to accept that durable subsurface carbon storage, along with emissions reductions, must be part of the plan to mitigate the effects of climate change—and geoscience must play a central role.

Fluffy clouds float in a blue sky over a grassy hill
Posted inResearch Spotlights

Compost and Biochar Could Boost Carbon Sequestration by Crushed Rock

by Nathaniel Scharping 22 April 202522 April 2025

Crushed rock additives may also help decrease soil emissions of other greenhouse gases, such as nitrous oxide and methane.

Un grupo de cinco mujeres con ropa colorida agarran paquetes de paja en un campo listas para la trilla de arroz.
Posted inResearch Spotlights

¿Cómo podrían las estrategias de intervención climática solar afectar a la agricultura?

Aaron Sidder, freelance science writer by Aaron Sidder 26 February 202526 February 2025

Los métodos de geoingeniería, como la inyección de aerosoles estratosféricos, prometen limitar el calentamiento, pero entre los muchos riesgos y preocupaciones potenciales, sus repercusiones en la agricultura permanecen en gran medida inexploradas.

田野里,五名身穿彩色服装的妇女手里拿着一捆捆稻草,准备脱粒。
Posted inResearch Spotlights

太阳辐射干预策略如何影响农业?

Aaron Sidder, freelance science writer by Aaron Sidder 5 February 20255 February 2025

地球工程方法,如平流层气溶胶注入,有望抑制气候变暖,但存在许多潜在风险和担忧,其中它们对农业的影响在很大程度上仍未得到探索。

A group of five women in colorful clothing hold bundles of straw in a field ready for rice threshing.
Posted inResearch Spotlights

How Could Solar Climate Intervention Strategies Affect Agriculture?

Aaron Sidder, freelance science writer by Aaron Sidder 16 January 202526 February 2025

Geoengineering approaches such as stratospheric aerosol injection hold the promise of limiting warming, but among the many potential risks and concerns, their impacts on agriculture remain largely unexplored.

The painting Breaking News depicts the Polynesian explorer Ui-te-Rangiora sailing amid ice and ocean on a small boat.
Posted inOpinions

Glacier Intervention Research Isn’t Just for Glaciologists

by Kenneth D. Mankoff, Christina Hulbe, Sławek Tulaczyk, Francesca Marzatico and Tiffany Morrison 9 January 202524 March 2025

Prospects for mitigating sea level rise by slowing flows of glacial ice into the ocean are worthy of research, but this work must involve all rights holders and stakeholders.

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Features from AGU Publications

Research Spotlights

Satellite Scans Can Estimate Urban Emissions

6 October 20256 October 2025
Editors' Highlights

New Evidence for a Wobbly Venus?

29 September 202525 September 2025
Editors' Vox

All Publish, No Perish: Three Months on the Other Side of Publishing

29 September 202525 September 2025
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