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geoengineering

Side view of the ocean surface.
Posted inNews

An Electrifying Approach to Carbon Capture

by Bill Morris 7 December 20237 December 2023

A new sodium-ion “battery” promises an environmentally friendly method of sequestering carbon in the ocean, but experts remain cautious.

Posted inEditors' Highlights

Unexpected Consequences of Solar Geoengineering 

by Hang Su 22 September 202322 September 2023

Solar engineering is not a substitute for mitigation, and concerns about its risks and unintended impacts are supported by the recent discovery of overlooked atmospheric chemical feedback.

Photo of a brown landscape with a waterfall in the center flowing into a turbulent pool
Posted inNews

Silicate Weathering Throttles the Global Thermostat

by Nathaniel Scharping 8 March 20238 March 2023

The natural breakdown of some rocks sucks carbon dioxide out of the atmosphere. Knowing how quickly it happens could help scientists engineer solutions to the climate crisis.

Close-up of green olivine sand grains
Posted inNews

Can These Rocks Help Rein in Climate Change?

Tim Hornyak, Science Writer by Tim Hornyak 27 September 20221 June 2023

Spreading olivine on beaches could accelerate ocean uptake of carbon dioxide and potentially limit climate change. The concept and execution still face some scrutiny from scientists.

Lofted dust layers over the Andes mountains
Posted inNews

Iodine-Laden Desert Dust Is Eating at Ozone Pollution

by Jackie Rocheleau 28 February 202228 February 2022

In a happy accident, scientists found a potential solution to an atmospheric chemistry mystery. Their findings could be a missing piece in the iodine cycle and in atmospheric models.

View from an airplane flying above a layer of clouds
Posted inScience Updates

Improving Models for Solar Climate Intervention Research

by S. Eastham, S. Doherty, D. Keith, J. H. Richter and L. Xia 19 March 20213 February 2022

Modern climate models were designed to simulate natural systems and changes mainly due to atmospheric carbon dioxide, rather than to predict effects of deliberate climate interventions.

Low angle of a snowy field with trees and tiny snowballs
Posted inNews

Researchers Quantify a Seeded Snowpack

Sarah Derouin, Science Writer by Sarah Derouin 11 March 202028 February 2023

In Idaho, three hour-long cloud-seeding events created the snow equivalent of about 282 Olympic-sized swimming pools’ worth of water.

A cell phone sits on a table with the YouTube app on screen and headphones plugged in.
Posted inNews

Majority of YouTube Climate Videos Promote Nonconsensus Views

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 26 July 201931 March 2023

Search terms related to geoengineering solutions were almost exclusively about chemtrail conspiracy theories.

Sun shines over hills in a cloudy sky
Posted inNews

Study Will Examine Risks and Benefits of Climate Interventions

by Randy Showstack 13 May 201923 March 2023

A National Academies committee is working to develop a research agenda for geoengineering strategies that reflect sunlight to cool Earth.

A model image of simulated sea ice loss
Posted inResearch Spotlights

A New Road Map for Assessing the Effects of Solar Geoengineering

by Terri Cook 1 May 20191 March 2023

A special issue dedicated to modeling the impacts of stratospheric sulfur dioxide injections is a crucial step toward understanding the climate goals this intervention can—and cannot—achieve.

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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
Community Science
“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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