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carbon emissions

Tropical trees and ferns growing on a sloped landscape
Posted inResearch Spotlights

How Much Greenhouse Gas Do Tropical Soils Emit?

by Sarah Derouin 30 January 202330 January 2023

New research found that tropical soils emit nitrogen mostly as inert dinitrogen rather than as greenhouse gases.

Posted inEditors' Highlights

Roadside Plants Witness COVID Traffic

by E. Davidson 7 January 20237 January 2023

Radiocarbon in roadside plants revealed a decline in auto emissions during COVID lockdown and a 2021 rebound. Could this improve emission estimates in countries without CO2 monitoring infrastructure?

Una distintiva nube en forma de hongo producto de una prueba nuclear se alza en un cielo azul oscuro y nubes atmosféricas.
Posted inNews

Una explosión de radiocarbono del pasado

by Caroline Hasler 31 October 202231 October 2022

El fechamiento por radiocarbono es un pilar de la climatología y la arqueología. Sin embargo, esta metodología se encuentra amenazada por las emisiones de combustibles fósiles, que invalidan una señal útil proveniente de pruebas nucleares.

Emissions rise from industrial towers along a waterfront in front of a hazy orange sunset.
Posted inResearch Spotlights

Tracing Anthropogenically Emitted Carbon Dioxide into the Ocean

by Aaron Sidder 17 October 202217 October 2022

Researchers labeled anthropogenically emitted carbon and tracked it with an ocean circulation model to determine whether it winds up in the sky or sea.

Photograph of a seagrass meadow
Posted inEditors' Highlights

Warming and Agitation Intensify Seagrass Meadow Carbon Fluxes

by Jorge Villa 17 October 202212 October 2022

Carbon dioxide emissions surge in sediments when temperature and agitation increase, both of which are likely to continue rising in degraded Mediterranean seagrass meadows.

A view looking over an expansive area of low shrubs and trees, with tall buildings and mountains visible in the distance
Posted inResearch Spotlights

Exploring Carbon Emissions in Peatland Restoration

by Sarah Derouin 22 September 202222 September 2022

Rewetting bogs can increase methane emissions in the short term, but ultimately the approach helps restore peatlands and create larger carbon sinks.

Imagen aérea en blanco y negro de una tormenta espiral sobre el sureste de los Estados Unidos. La imagen muestra puntos brillantes que son las concentraciones lumínicas de las ciudades en la zona.
Posted inNews

Un nuevo enfoque para un misterio sin resolver en la economía climática

by Jenessa Duncombe 19 September 202221 September 2022

¿Tienen los cambios de temperatura impactos económicos duraderos? Un truco “ingenioso” que identifica tendencias climáticas nos lleva un paso más cerca a abordar esta vieja pregunta en la economía climática.

A distinctive mushroom cloud blossoms over the cloud line during detonation of the Ivy Mike hydrogen bomb in 1952.
Posted inNews

Radiocarbon’s Blast from the Past

by Caroline Hasler 15 September 202231 October 2022

Radiocarbon dating is a cornerstone of climate and archaeological sciences. But the method is under threat as fossil fuel emissions negate a useful signal from atomic tests.

Figure showing modeled atmospheric carbon dioxide concentrations over an image of Earth’s surface, with warmer colors representing higher concentrations
Posted inFeatures

Simpler Presentations of Climate Change

by John Aber and Scott V. Ollinger 13 September 202230 November 2022

The basics of climate change science have been known for a long time, and the predicted impact of a doubling of atmospheric carbon dioxide on global temperature hasn’t changed much in 100 years.

Green building with many windows and white AC fans near each window
Posted inNews

Major Investment in Air-Conditioning Needed to Address Future Heat Waves

by Jennifer Schmidt 9 September 20229 September 2022

More than 80% of urban residents will need AC by the 2050s, but many of the world’s poorer countries may struggle to meet that demand.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
JGR: Solid Earth
“New Tectonic Plate Model Could Improve Earthquake Risk Assessment”
By Morgan Rehnberg

EDITORS' HIGHLIGHTS
AGU Advances
“Eminently Complex – Climate Science and the 2021 Nobel Prize”
By Ana Barros

EDITORS' VOX
Perspectives of Earth and Space Scientists
“New Directions for Perspectives of Earth and Space Scientists”
By Michael Wysession


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