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trees

A shallow green-blue river with large brown-gray rocks.
Posted inResearch Spotlights

Droughts Sync Up as the Climate Changes

by Rebecca Owen 18 September 202518 September 2025

A new study reconstructs roughly 800 years of streamflow history in India’s major rivers, showing an increase in synchronous drought linked to anthropogenic climate change.

un hombre de azul planta un árbol
Posted inNews

Primera evaluación a nivel de especies revela riesgo de extinción en Mesoamérica

by Roberto González 3 September 20253 September 2025

El 46% de las especies arbóreas de Mesoamérica se encuentran en peligro de extinción. Investigadores esperan que un nuevo estudio regional provea información acerca de estrategias de conservación específicas.

An expanse of yellow aspens and green evergreen trees stretch out toward a lake in the distance. A blue sky with fluffy clouds is overhead.
Posted inResearch & Developments

USDA Moves to Rescind Roadless Rule Protecting 45 Million Acres of Wild Area

by Emily Dieckman 28 August 202529 August 2025

The U.S. Department of Agriculture (USDA) is proposing rescinding the 2001 Roadless Area Conservation Rule, which protects about 45 million acres (182,000 square kilometers) of National Forest System lands from road construction, reconstruction, and timber harvests.

Photo of a tree with water running down its bark.
Posted inEditors' Vox

Waterworks on Tree Stems: The Wonders of Stemflow

by Gabriel G. Katul, Bavand Keshavarz, Amirreza Meydani and Delphis F. Levia 21 August 202520 August 2025

Stemflow hydrodynamics offers rich physics that seeks to describe water and matter cycling within the atmosphere-biosphere-geosphere with implications for water resources planning.

A map and graph from the study.
Posted inEditors' Highlights

Tree Rings Record History of Jet Stream-Related Climate Extremes

by Susan Trumbore 20 August 202520 August 2025

Persistent spatial patterns of summer weather extremes in the northern hemisphere recorded in tree ring growth records provide a thousand-year history of jet stream ‘wave5’ dynamics.

A square research plot with no snow, surrounded by a snowy forest
Posted inNews

Warming Winters Sabotage Trees’ Carbon Uptake

by Grace van Deelen 31 July 202531 July 2025

In temperate forests, the biomass-building benefits of warmer growing seasons are offset by damaging variability in winter weather—a disparity that climate models may miss.

Nelson Zamora from the National Herbarium of Costa Rica, plants a threatened tree species.
Posted inNews

First Species-Level Assessment Reveals Extinction Risk in Mesoamerica

by Roberto González 23 July 20253 September 2025

Forty-six percent of tree species in Mesoamerica are threatened with extinction. Researchers hope a new regional study will inform targeted conservation strategies.

A satellite image of northwestern Europe at night shows several urban centers that appear as bright clusters of light.
Posted inNews

Artificial Light Lengthens the Urban Growing Season

by Caroline Hasler 18 July 202518 July 2025

New research shows that artificial light at night lengthens the plant growing season in cities, overshadowing the effect of high urban temperatures.

A wooden cube, framed with black metal, rests on a table against a blue background.
Posted inNews

A New Satellite Material Comes Out of the Woodwork

by Grace van Deelen 7 July 202526 February 2026

With lessons learned from their first attempt, Kyoto University scientists hope a second CubeSat made of magnolia will spark an age of wooden spacecraft.

Diagram of the field experiment used in the study.
Posted inEditors' Highlights

Deep Root Respiration Helps Break Down Rocks

by Marc F. P. Bierkens 2 July 20252 July 2025

The carbon dioxide that results from respiration in and around deep roots is an essential component in the chemical weathering of sandstone rock soils.

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Features from AGU Publications

Research Spotlights

Patterned Frozen Soils Get Their Shape from Gravity and Funky Physics

9 July 20269 July 2026
Editors' Highlights

A Satellite-Based Global Carbon Flux Product is Sensitive to Droughts 

8 July 20266 July 2026
Editors' Vox

Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

4 June 20263 June 2026
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