A new study reports the first measurements of 13C18O in atmospheric carbon monoxide (CO) and show their variations reflect chemical ‘aging’ consistent with predicted kinetic isotope effects.
carbon emissions
Posted inResearch Spotlights
Thawing Permafrost Is Affecting Climate, but It’s Unclear by How Much
Models produce widely varying estimates of how ecosystems in the northern permafrost region are currently affecting the global greenhouse gas budget.
Posted inScience Updates
Simulating Arctic Carbon Emissions in a Warming World
Not all climate models include carbon from thawing permafrost, and those that do often disagree. Scientists are working to better inform models and assess how these crucial materials are simulated.
Posted inNews
Black Carbon from Wildfire Smoke Can Double Warming Effects
The findings could help climate models be more accurate about warming projections.
Posted inOpinions
A More Sustainable Way to Attend Distant Science Conferences
For AGU’s annual meeting in 2023, a virtual hub in Zürich combined remote presentations and in-person viewing groups to reduce travel but keep in-person interactions.
Posted inNews
Das Oktoberfest—viel Bierzeltdunst und Methan
Unvollständige Verbrennung und biogene Emissionen—Atemausstoß und Flatulenz—machen das Oktoberfest zu einer starken, wenn auch zeitlich begrenzten Quelle des potenten Treibhausgases.
Posted inResearch Spotlights
Tree Mortality May Lead to Carbon Tipping Point in the Amazon by 2050s
A new study suggests drought conditions in the Amazon rainforest over the rest of the century.
Posted inResearch Spotlights
The Role of Community Conversation in Improving Air Quality
Collaboration between academic researchers and environmental justice organizations is key to mitigating emissions.
Posted inEditors' Highlights
The Invisible Hand of Carbon Dioxide on Forest Productivity
A statistically robust approach applied to long-term flux measurements quantifies forest ecosystem response to increasing atmospheric carbon dioxide, providing a valuable benchmark for climate models.