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South America

Women working on laptops at a business meeting
Posted inNews

Women Are Still Not Heard in the Climate Policy Conversation

by Meghie Rodrigues 7 December 20206 December 2021

A case study in Brazil points to a deep gender gap that still has to be bridged in the policymaking debate.

Aerial photo of a single boat making its way on Brazil’s São Francisco River
Posted inNews

Urbanization, Agriculture, and Mining Threaten Brazilian Rivers

by Meghie Rodrigues 27 October 20206 December 2021

Harder to analyze and quantify, diffuse pollution is often overlooked when it comes to water quality assessments.

Schematic cross section across the Cordillera Blanca massif and conceptual model for structural controls on fluid circulation
Posted inEditors' Highlights

Structural Style Controls Crustal Fluid Circulation in Andes

by W. Behr 26 August 202028 January 2022

Variations in hot spring geochemistry from adjacent mountain ranges with different styles of faulting highlight the influence of crustal-scale structures on circulating fluids in the Peruvian Andes.

Rodrigo de Freitas Lagoon
Posted inScience Updates

Earth Observations Inform Cities’ Operations and Planning

by M. M. Hurwitz, C. Braneon, D. B. Kirschbaum, F. Mandarino and R. Mansour 16 July 202031 March 2023

Rio de Janeiro, Brazil, and Chicago, Ill., are using NASA Earth observations to map, monitor, and forecast water and air quality, urban heat island effects, landslide risks, and more.

Skewered meat and vegetables on a barbecue
Posted inNews

Niveles Altos de Contaminación en Chile se Relacionan Con Parrilladas de Hinchas del Fútbol

Katherine Kornei, Science Writer by Katherine Kornei 8 July 202030 November 2022

Misteriosos picos de contaminación—10 veces más altos que los niveles normales—ocurren en Santiago durante los partidos de fútbol televisados y son causados por decenas de miles de parrilladas, revelan nuevos resultados.

Model of the Nazca slab constrained by continent-scale tomography
Posted inEditors' Highlights

The Other, Deeper, South American Flat Slab

by V. Lekic 6 June 202023 January 2023

Tomographers trace the slab subducting beneath South America into the lower mantle, providing the most complete picture of structure beneath the continent to date.

Argentina’s Pierre Auger Observatory at night
Posted inScience Updates

Catching Elves in Argentina

by K.-D. Merenda, R. Mussa and L. Wiencke 5 June 202012 April 2022

The world’s largest cosmic ray detector accidentally spotted elves, an unusual lightning phenomenon high in the atmosphere. Now it’s intentionally looking for more.

Skewered meat and vegetables on a barbecue
Posted inNews

Pollution Spikes in Chile Tied to Soccer Fans’ Barbecuing

Katherine Kornei, Science Writer by Katherine Kornei 11 May 202030 March 2023

In Santiago, mysterious pollution spikes—tenfold above normal levels—occur during televised soccer matches and are caused by tens of thousands of barbecues, new results reveal.

Forest in Ivindo National Park in Gabon
Posted inNews

Tropical Forests Are Losing Their Ability to Soak Up Carbon

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 9 March 202029 April 2022

The forests could switch from a carbon sink to a carbon source by the mid-2030s.

A puddle of oil lays on sand on a beach
Posted inNews

Brazil’s Oil Spill Is a Mystery, so Scientists Try Oil Forensics

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 24 October 201918 May 2022

Thousands of barrels of oil have been tarring Brazil’s beaches since September, and no one knows why. An oil spill scientist is running oil forensics to find out.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Geophysical Research Letters
“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

EDITORS' HIGHLIGHTS
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“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
Reviews of Geophysics
“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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