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carbon dioxide

A satellite orbiting Earth
Posted inEditors' Highlights

Coverage Factors Affect Urban CO2 Monitoring from Space

by Donald Wuebbles 12 June 202512 June 2025

Orbital mechanics and environmental factors limiting the ability of Orbiting Carbon Observatory missions to collect data in space and time affect city-level monitoring, reporting, and verification goals. 

一张从地面拍摄的田野土壤照片
Posted inResearch Spotlights

理解土壤湿度的关键可能在于简化

by Saima May Sidik 5 June 20255 June 2025

一个仅考虑降水和地表净辐射的简化模型似乎可以解决长期存在的问题。

A close-up of soil, viewed from the ground and stretching off into the distance
Posted inResearch Spotlights

Simplicity May Be the Key to Understanding Soil Moisture

by Saima May Sidik 23 May 20255 June 2025

A pared-down model that considers only precipitation and net surface radiation seems to solve long-standing problems.

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 20252 May 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.

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.

Diagram from the study.
Posted inEditors' Highlights

Peatland Plantations in Southeast Asia are Carbon Hotspots

by Valeriy Ivanov 26 March 202526 March 2025

A new study reports a rare set of data on greenhouse gas production and transport for a tropical peatland plantation showing exceptionally high concentrations of dissolved organic carbon.

A rock formation with many layers sits beneath a blue sky.
Posted inResearch Spotlights

Ancient Climate Reconstruction Links Past and Future

Aaron Sidder, freelance science writer by Aaron Sidder 4 February 20254 February 2025

A new map of climate conditions during the Pliocene epoch—the last time Earth’s carbon dioxide concentrations hit 400 parts per million—could offer clues about possible climatic changes in store for the 21st century.

Photos of calcite crystals in a basalt core.
Posted inEditors' Vox

Turning Carbon into Stone: Unlocking Mineralization in Fractured Rock

by Haylea Nisbet and Hari Viswanathan 29 January 202529 January 2025

Carbon mineralization is a promising solution for mitigating greenhouse gas emissions, but we must learn to optimize the complex interplay between reactions and mechanics in fractures to develop a scalable solution.

An Arctic seascape shows fragments of ice floating in the ocean under a partly cloudy sky.
Posted inNews

Another Hot Arctic Year Indicates a New Climate Regime

by Grace van Deelen 10 December 202410 December 2024

NOAA’s annual Arctic Report Card illustrates a warmer, wetter, and increasingly wonky Arctic climate.

An aerial view of lava flows, some black and hardened and some molten red.
Posted inNews

Large Igneous Provinces May Have Leaked Cryptic Carbon

by Skyler Ware 25 November 202425 November 2024

Dissolved carbon dioxide may have bubbled up from magma far below the surface, contributing to prolonged warming.

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Features from AGU Publications

Research Spotlights

Orbiter Pair Expands View of Martian Ionosphere

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Editors' Highlights

Coupled Isotopes Reveal Sedimentary Sources of Rare Metal Granites

17 June 202516 June 2025
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Inside Volcanic Clouds: Where Tephra Goes and Why It Matters

16 June 202512 June 2025
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