Regional climate variability plays a big role, but reduced forest cover and a rise in atmospheric carbon dioxide are also factors.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
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Trust in Evanston Tap Water Depends on Gender, Race, and Past Experiences
Residents of the relatively high income Illinois city share why they trust the water in their taps—and others share why they stay away.
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Martian Dust Will Be a Health Hazard for Astronauts
Prolonged exposure to the Red Planet’s regolith, which contains carcinogens and toxic metals, could pose respiratory threats and increase chronic disease risk.
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The Middle East’s First Comprehensive Carbon Budget
The first greenhouse gas budget for Central and West Asia—24 countries, including Yemen, Türkiye, Kazakhstan, and Afghanistan—was just published.
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Flooding from Below: The Unseen Risks of Sea Level Rise
Researchers demonstrate a method for assessing how rising seas could raise groundwater levels, potentially transmitting flood hazards far inland.
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Food Insecurity Is Linked to Heart Disease and Diabetes in the United States
A new study examines the geographic and demographic connections between health and a lack of consistent access to food, finding that this link is particularly strong in the South.
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Higher Ozone Levels Tied to Heart Attack Risk
For young adults, air pollution may increase risks of some kinds of heart attacks more than others.
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The Interplay of ENSO and Immunity in Infectious Disease Outbreaks
El Niño and La Niña events can affect the spread of infectious diseases including cholera and dengue fever. The effects of some diseases may persist over several years.
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¿Cómo podrían las estrategias de intervención climática solar afectar a la agricultura?
Los métodos de geoingeniería, como la inyección de aerosoles estratosféricos, prometen limitar el calentamiento, pero entre los muchos riesgos y preocupaciones potenciales, sus repercusiones en la agricultura permanecen en gran medida inexploradas.
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How Rivers Carved the Canyons of the Central Colorado Plateau
A new study offers insights into a puzzling piece of the geological history of the Grand Canyon and surrounding regions.