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United States

Chart showing composition of reactive nitrogen species in wildfire smoke at different locations
Posted inEditors' Highlights

Deciphering Reactive Nitrogen Emissions from Wildfire Smoke

by Brian McDonald 5 February 202119 September 2022

In-situ data gathered from an aircraft flying over 23 western US wildfires in 2018 reveal the importance of reduced nitrogen, shedding insights on ozone and aerosol formation from wildfires.

Research ecologist Steven Mirsky evaluates a cereal rye cover crop.
Posted inNews

Cover Crops, Sensors, and Food Security

by DJ McCauley 25 January 20214 November 2022

Forward-Thinking Ideas for the USDA’s Agriculture Innovation Agenda

A wind turbine towers over an irrigated farm field with mountains in the distance
Posted inScience Updates

Solving Shared Problems at the Food, Energy, and Water Nexus

by J. Zhuang, F. Löffler, G. Sayler, G. Yu and G. Jiang 25 January 202113 March 2023

A 15-year-old partnership among Chinese and U.S. scientists studying challenges in our food, energy, and water systems has revealed that solutions are best achieved through international collaboration.

Posted inEditors' Highlights

Deep Decarbonization? Yes We Can!

Eric Davidson, president-elect of AGU by Eric Davidson 14 January 20217 July 2025

Modeling the U.S. energy system demonstrates several pathways to net-zero CO2 emissions by 2050. The pathway with the lowest cost, 0.2–1.2% of GDP, relies on >80% contribution of renewables.

Huge plumes of smoke billow behind rural homes in Brian Head, Utah, in 2017.
Posted inNews

Wildfires May Exacerbate Asthma in the Western United States

by A. Gold 18 December 202028 October 2021

A new study predicts that by the 2050s, wildfire smoke will cause the region to spend $850 million more every year to treat asthma.

Stream surrounded by grassland.
Posted inNews

Waterways Change as Cities Grow Nearby

Katherine Kornei, Science Writer by Katherine Kornei 17 December 20206 September 2022

Using multidecadal data sets, researchers have traced how urbanization affects streamflow across the continental United States.

Photograph of a river in the Wind River Range, Wyoming
Posted inEditors' Vox

How is Modern Climate Change Affecting Landscape Processes?

by Amy E. East and J. B. Sankey 16 December 202011 February 2022

Landscapes will respond to hydroclimatic changes associated with modern global warming, such as increasing extreme storms and wildfire, but to what extent is physical landscape change already evident?

Wall of dust wells up behind suburban desert homes
Posted inNews

Saving Lives by Predicting Dust Storms

by Jackie Rocheleau 14 December 20202 March 2023

In the southwestern United States, dust storms form suddenly, quickly reducing visibility to zero. A new warning system may allow motorists to avoid these deadly hazards.

A field on a Nebraska farm with a large irrigation arm watering the crop. Grain storage elevators are visible in the background.
Posted inNews

Modeling Groundwater and Crop Production in the U.S. High Plains

by Jady Carmichael 30 November 20208 November 2022

Innovative new research by a team of international scholars borrows modeling methods from ecology and applies them to groundwater sustainability.

A coal ash dump in the foreground with SCI in the background
Posted inFeatures

An Unfought Geoscience Battle in U.S. Prisons

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 10 November 202018 October 2022

Prisoners, activists, and lawyers are fighting to protect incarcerated people from pollution and the dangers of climate change. There’s a place for geoscientists in the fight too.

Posts pagination

Newer posts 1 … 19 20 21 22 23 … 46 Older posts
Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

Patchier Permafrost Is Linked to More Intense Hillslope Erosion

14 October 202614 October 2026
Editors' Highlights

Limits of Satellite Detection of Extreme Carbon Cycle Events

7 October 20267 October 2026
Editors' Vox

Where Fire Ends, Chemistry Begins

30 September 202630 September 2026
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