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.
everything atmospheric
Posted inResearch Spotlights
Adding Oxygen to a Lake to Explore Methane Emissions
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.
Posted inEditors' Highlights
Cumulus Cloud Botany in Large Domains
A new study provides a sample of shallow cumulus clouds simulated in domains 150-kilometers wide, enabling investigations of their structure and organization.
Posted inResearch Spotlights
Humans Have Boosted Atmospheric Mercury Concentrations Sevenfold
A new baseline of volcanic contributions to the global mercury cycle reveals how drastically human activities have increased the element’s concentration in the atmosphere.
Posted inEditors' Vox
Foundations in Data Analysis for Undergraduate STEM Students
A new textbook serves as an initial course in scientific data analysis and hypothesis testing designed for students in all science, technology, engineering, and mathematics disciplines.
Posted inFeatures
Patterns of Surface Warming Matter for Climate Sensitivity
Location, location, location. Surface temperature patterns play a fundamental role in Earth’s energy budget.
Posted inNews
Ham Radios Crowdsourced Ionospheric Science During Eclipse
Amateur radio operators who study space physics and the upper atmosphere probed the ionosphere’s response to the 2023 annular solar eclipse using shortwave transmissions.
Posted inEditors' Highlights
New Aerosol Model Better Represents Black Carbon Properties
An improved representation for black carbon microphysical and optical properties alleviates overestimations of aerosol absorption efficiency in global climate models.
Posted inNews
Meteor Impact Site Holds 200-Million-Year-Old Atmospheric Snapshot
Minerals formed in short-lived hydrothermal systems set off by a meteor impact in France preserved information about noble gases in the ancient atmosphere.
Posted inNews
Natural Nitrogen Emissions Are Rising in California
Wildfires and soil microbes are releasing more nitrogen oxides in California as the climate gets warmer and drier.