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Research Spotlights

Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.

The Sun looms large in a red sky over the trees of the Amazon rainforest.
Posted inResearch Spotlights

Drought Drove the Amazon’s 2023 Switch to a Carbon Source

by Madeline Reinsel 25 February 202625 February 2026

The change was caused by thirsty vegetation taking up less carbon than normal, not by the year’s extended fire season, new research shows.

The larvae of Culex mosquitoes cluster together underwater.
Posted inResearch Spotlights

New Method Could Improve U.S. Forecasting of West Nile Virus

by Nathaniel Scharping 20 February 202620 February 2026

An innovative model uses regional climate data and records of West Nile virus neuroinvasive disease to outperform existing forecasts, potentially helping communities prepare.

A geographic information system (GIS) map shows a number of different layers: Blue areas represent flood zones or floodways, whereas white areas are those with minimal flood hazard. Red, orange, green, and gray areas represent mining waste.
Posted inResearch Spotlights

Making a Map to Make a Difference

by Rebecca Owen 11 February 202611 February 2026

A new study highlights the partnership between scientists and nonscientist community members in building an interactive GIS map to show flooding risk in a Superfund site.

NASA astronaut Kayla Barron holds a filter used to recycle wastewater.
Posted inResearch Spotlights

A Road Map to Truly Sustainable Water Systems in Space

by Nathaniel Scharping 9 February 20269 February 2026

Future astronauts need efficient, durable, and trustworthy closed-loop systems to provide water for missions lasting months to years.

A lake, seen from a rock on the shore, is mostly covered in ice but beginning to melt. The melting water is purple. On the other side of the lake, a rocky cliffside with evergreen trees is visible beneath a blue sky.
Posted inResearch Spotlights

How the Spring Thaw Influences Arsenic Levels in Lakes

by Saima May Sidik 6 February 20266 February 2026

Four lakes near Yellowknife, Canada, show that there’s no one-size-fits-all answer.

A wave crashes onto a dark, rocky shore. Green rolling hills are in the distance.
Posted inResearch Spotlights

Our Ocean’s “Natural Antacids” Act Faster Than We Thought

Sarah Stanley, Science Writer by Sarah Stanley 30 January 202630 January 2026

New evidence from New Zealand suggests that calcium carbonate dissolution occurs not just over millennial timescales, but over annual and decadal ones too.

A city skyline with smog hanging over it
Posted inResearch Spotlights

Which Countries Are Paying the Highest Price for Particulate Air Pollution?

by Nathaniel Scharping 28 January 202628 January 2026

Reducing the effects of air pollution requires estimations of where it costs the most—in both money and lives.

The Tippecanoe River in Indiana.
Posted inResearch Spotlights

Denitrification Looks Different in Rivers Versus Streams

by Nathaniel Scharping 16 January 202616 January 2026

A study directly comparing waterways of different sizes revealed important differences in nitrogen dynamics across seasons.

Three people in bright yellow and orange jackets appear to be on a boat. They are reaching for a collection of tanks that will be lowered into the water. Two other ships are visible in the distance.
Posted inResearch Spotlights

Marine Snow Grows Faster and Fluffier as It Sinks

by Madeline Reinsel 16 January 202616 January 2026

New observations highlight how abiotic and biotic processes influence the tiny oceanic particles.

Two yellow buoys float in the ocean, which extends off to the horizon of a blue sky lined with clouds.
Posted inResearch Spotlights

AI Sheds Light on Hard-to-Study Ocean Currents

by Saima May Sidik 14 January 202614 January 2026

The Maluku Strait is a key predictor of conditions in the Indonesian Throughflow, modeling shows.

Posts pagination

1 2 3 … 202 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

Drought Drove the Amazon’s 2023 Switch to a Carbon Source

25 February 202625 February 2026
Editors' Highlights

Slow and Fast Madden-Julian Oscillation Modes

25 February 202625 February 2026
Editors' Vox

A Double-Edged Sword: The Global Oxychlorine Cycle on Mars

10 February 202610 February 2026
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