An air-sampling study has captured long-term trends in the concentrations of five key atmospheric gases for the first time.

Sarah Stanley
Sarah Stanley, a freelance writer for Eos, has a background in environmental microbiology but covers a wide range of science stories for a variety of audiences. She has also written for PLOS, the University of Washington, Kaiser Permanente, Stanford Medicine, Gladstone Institutes, and Cancer Commons, a nonprofit that works with cancer patients.
Methane-Releasing Tundra Soils Freezing Later Each Year
Scientists find links between delayed freezing of Alaskan soils and higher atmospheric methane concentrations during the cold season.
Theoretical Models Advance Knowledge of Ocean Circulation
A review of recent advancements highlights key insights into the Atlantic Meridional Overturning Circulation and what might be in store for future research.
Revealing the Ocean’s Rare but Prolific Carbon Export Events
New findings suggest that rare events underlie a global inverse relationship between primary production of organic carbon in the upper ocean and the fraction that is exported to the deep sea.
Capturing Snowmelt Patterns from Cloudy Satellite Images
A new modeling strategy could improve streamflow predictions in places where mountain snow is a critical source of water.
Forested Streams May Warm More Than Observations Predict
Understanding how temperatures of cold-water streams respond to global warming could help clarify the impacts of climate change on aquatic ecosystems.
New Perspectives on 2,000 Years of North Atlantic Climate Change
A review of recent research advancements takes a deep dive into North Atlantic ocean circulation and its potential role in historical climate shifts.
Arctic Glacial Retreat Alters Downstream Fjord Currents
High-resolution mapping efforts could improve predictions of coastal changes as glaciers shrink around the world.
Ordinary Security Cameras Could Keep an Eye on Rainfall
A new opportunistic sensing strategy could use existing closed-circuit television networks to accurately capture rainfall intensity, despite low-cost equipment and visually complex scenes.
Using GPS Sensors to Capture Key Snowpack Properties
A low-cost, two-antenna GPS setup could enable valuable snow measurements in remote locations, improving predictions of runoff and avalanche risk.