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Climate Change

Hops cones on a hop plant
Posted inNews

A Not-So-Hoppy Future for Beer Drinkers?

by Bill Morris 20 November 202320 November 2023

New research examining the impact of climate change on hops production has brewed up a storm.

A firefighter stands in front of burning grass and trees.
Posted inNews

Climate Change Narrows the Window for Prescribed Fires

by Caroline Hasler 16 November 202316 November 2023

Longer, drier summers may mean fewer opportunities for firefighters to safely burn would-be wildfire fuel in the western United States.

Diagram from the paper with graphs connected to locations on a world map.
Posted inEditors' Highlights

A Crystal Ball for the Carbon Cycle, But a Cloudy One

by David S. Schimel 14 November 202314 November 2023

Carbon cycle models quantify relationships between emission scenarios and resulting atmospheric concentrations, but are the projections credible? New analyses find grounds for both hope and concern.

A hurricane about to make landfall on Florida’s east coast
Posted inNews

Deep Emissions Cuts Still Needed to Prevent the Worst Climate Change Impacts

by Grace van Deelen 14 November 202314 November 2023

A new federal report says the effects of human-caused climate change are worsening in every region of the United States, but the technology to address it exists.

A flat piece of ice floats in the ocean.
Posted inResearch Spotlights

Climate Tipping Points Could Be Triggered by “Committed Warming”

by Rebecca Owen 13 November 20231 December 2023

Unless we rapidly reach net zero emissions, the climate will inch closer to a point of no return—even after greenhouse gas emissions are reduced.

Llamas walking along a rocky landscape in front of a retreating glacier in Cordillera Blanca, northern Peru.
Posted inNews

How Llama Poop Is Helping an Andean Community Adapt to Melting Glaciers

by Sofia Moutinho 9 November 202317 November 2023

Reintroducing these animals can enrich barren soils and potentially reduce water contamination, a study shows.

An aerial photo of a lake with dark blue water, surrounded by pine trees and with a few pieces of monitoring equipment, which look like small white rectangles, on its surface.
Posted inResearch Spotlights

Adding Oxygen to a Lake to Explore Methane Emissions

Sarah Stanley, Science Writer by Sarah Stanley 9 November 20239 November 2023

A rare whole-lake experiment suggests that in some cases, low-oxygen conditions may have a smaller impact on methane release to the atmosphere than previously thought.

Satellite image of the Mississippi River surrounded by a green landscape
Posted inNews

Rivers Are Warming Up and Losing Oxygen

by Elise Cutts 3 November 20233 November 2023

Researchers used deep learning to fill in the gaps of “patchy” water quality data, revealing decades-long trends toward warmer and less oxygenated rivers that could have worrisome consequences.

Photo of trees in front of a large mountain.
Posted inEditors' Highlights

Grow-Fast-Die-Young Strategy Increases Swiss Forest Biomass

Eric Davidson, president-elect of AGU by Eric Davidson 2 November 202331 October 2023

Climate change and CO2 fertilization can increase both growth and mortality of trees. The net effect on forest biomass depends on that trade-off, which long-term studies in Switzerland reveal.

A photo of a stream running through a bed of dried rocks on a clear, sunny day.
Posted inNews

River Recovery from Drought Can Take Years

by Grace van Deelen 1 November 20239 November 2023

Climate change has created increasingly volatile weather and a drier atmosphere, making it harder for rivers to recuperate after a drought.

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Features from AGU Publications

Research Spotlights

Droughts Sync Up as the Climate Changes

18 September 202518 September 2025
Editors' Highlights

Are There Metal Volcanoes on Asteroids?

18 September 202516 September 2025
Editors' Vox

How Glacial Forebulges Shape the Seas and Shake the Earth

23 September 202519 September 2025
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