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United States

Dam failure in Iowa
Posted inNews

Below Aging U.S. Dams, a Potential Toxic Calamity

by J. Dinneen and A. Kennedy 11 June 20216 January 2023

Documents suggest that in more than 80 U.S. locations, the failure of an aging dam could flood a major toxic waste site.

Grandes plumas de humo detrás de casas rurales en Brian Head, Utah, 2017
Posted inNews

Los Incendios forestales podrían exacerbar el asma en el oeste de los Estados Unidos

by A. Gold 4 May 20212 February 2022

Un nuevo estudio predice que para la década de 2050, el humo de los incendios forestales hará que la región gaste $850 millones más cada año para tratar el asma.

Chicago skyline
Posted inNews

Many U.S. Cities Severely Underreport Their CO2 Emissions

by Jordan Wilkerson 21 April 20215 November 2021

Although unintentional, these errors may undercut local government efforts to tackle climate change.

Researchers discovered a correlation between a mass bird die-off and wildfires.
Posted inResearch Spotlights

Mass Bird Die-Off Linked to Wildfires and Toxic Gases

Joshua Learn, Science Writer by Joshua Rapp Learn 26 March 202118 October 2021

Using observations from crowdsourced science and weather location data, researchers concluded that wildfires caused a mass die-off of birds in the western and central United States in 2020.

Community forests that provide numerous ecological, social, and economic benefits are being threatened by climate change.
Posted inFeatures

Community Forests Prepare for Climate Change

by C. L. Peterson, L. A. Brandt, E. H. Elias and S. R. Hurteau 11 February 20215 November 2021

Cities across the United States are feeling the heat as they struggle to integrate climate science into on-the-ground decisionmaking regarding urban tree planting and management.

Background image of a mine overlain by images of a wind turbine, a computer tablet, a jet plane, an electric car charging port, and wheat in a field.
Posted inScience Updates

Geological Surveys Unite to Improve Critical Mineral Security

by P. Emsbo, C. Lawley and K. Czarnota 5 February 202130 September 2025

A three-nation consortium is pooling geological expertise and resources to address vulnerabilities in supplies of these crucial natural resources.

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

Deciphering Reactive Nitrogen Emissions from Wildfire Smoke

by B. 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.

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Research Spotlights

Seismic Anisotropy Reveals Deep-Mantle Dynamics

21 October 202521 October 2025
Editors' Highlights

New Evidence for a Wobbly Venus?

29 September 202525 September 2025
Editors' Vox

Publishing Participatory Science: The Community Science Exchange

20 October 202517 October 2025
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