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greenhouse gases

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 202220 September 2022

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

Protestors hold signs for climate action.
Posted inNews

Greenhouse Gases Must Begin to Fall by 2025, Says U.N. Climate Report

by Jenessa Duncombe 4 April 202225 April 2022

Emissions rates are still growing every year, though that growth has slowed. The world needs to reach negative growth soon to prevent a potential 3.2°C rise by the end of the century.

Brown river water rushes through a downtown area with industrial and residential buildings in the background.
Posted inNews

U.S. Businesses May Be Required to Report Emissions, Climate Risk

by Kimberly M. S. Cartier 22 March 202218 April 2022

The proposed rules seek to give investors more complete and standardized climate risk information. The move would bring U.S. policy closer to international standards.

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 202214 February 2023

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

Photos of clouds, forest and sea.
Posted inEditors' Vox

Inventorying Earth’s Land and Ocean Greenhouse Gases

by Benjamin Poulter, Ana Bastos, Josep G. Canadell, Philippe Ciais, Nicolas Gruber, Judith Hauck, Robert B. Jackson, Masao Ishii, Jens Daniel Müller, Prabir K. Patra and Hanqin Tian 17 February 20225 December 2022

A new special collection in AGU journals will present findings from the Second REgional Carbon Cycle Assessment and Processes (RECCAP2) study with a decade of data on greenhouse gas growth.

A yellow-, red-, and blue-striped fumigation tent covers a building.
Posted inNews

Termite Fumigation in California Is Fueling the Rise of a Rare Greenhouse Gas

by Jenessa Duncombe 3 January 202227 March 2023

The insecticide sulfuryl fluoride isn’t included in federal or state emissions reduction goals.

Trends in stratospheric fluorine species during the period 2004-2018.
Posted inEditors' Highlights

New Insights on Stratospheric Circulation from Fluorine Tracers

by William J. Randel 23 November 20218 June 2022

Stratospheric fluorine species have accumulated faster in the Northern Hemisphere over the past two decades reflecting interhemispheric differences in the Brewer-Dobson transport circulation.

Posted inEditors' Highlights

What Controls Nitrous Oxide Emissions from Rivers?

by Nicolas Gruber 22 November 202128 March 2022

Statistical and numerical models show that denitrification efficiency is a key parameter controlling the production of N2O from rivers, providing a target for river restoration projects.

Plot showing UV-induced emissions weighted global warming potential in CO2 equivalent for each greenhouse gas emitted from cell suspensions of 16 species of marine phytoplankton.
Posted inEditors' Highlights

Phytoplankton as Emitters of Greenhouse Gases

by Marguerite A. Xenopoulos 15 October 20217 October 2021

Phytoplankton remove carbon dioxide from the atmosphere; a new study reveals that marine phytoplankton can also produce greenhouse gases when exposed to ultraviolet radiation.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Earth’s Future
“How to Build a Climate-Resilient Water Supply”
By Rachel Fritts

EDITORS' HIGHLIGHTS
AGU Advances
“How Do Atmospheric Rivers Respond to Extratropical Variability?”
By Sarah Kang

EDITORS' VOX
Reviews of Geophysics
“Rare and Revealing: Radiocarbon in Service of Paleoceanography”
By Luke C. Skinner and Edouard Bard

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