Extended periods of volcanism known as flood basalt eruptions lead to volcanic winters, which are often followed by an extended period of warming. But it was more than just carbon dioxide that warmed the globe.
greenhouse gases
Posted inEditors' Highlights
Framework for Fingerprinting Human Influence on Climate
An optimal approach for detection and attribution studies using the CMIP6 Detection and Attribution Model Intercomparison Project (DAMIP).
Posted inEditors' Vox
Inventorying Earth’s Land and Ocean Greenhouse Gases
A new special collection in AGU journals will present findings from the Second REgional Carbon Cycle Assessment and Processes (RECCAP2) study with a decade of data on greenhouse gas growth.
Posted inNews
Termite Fumigation in California Is Fueling the Rise of a Rare Greenhouse Gas
The insecticide sulfuryl fluoride isn’t included in federal or state emissions reduction goals.
Posted inEditors' Highlights
New Insights on Stratospheric Circulation from Fluorine Tracers
Stratospheric fluorine species have accumulated faster in the Northern Hemisphere over the past two decades reflecting interhemispheric differences in the Brewer-Dobson transport circulation.
Posted inEditors' Highlights
What Controls Nitrous Oxide Emissions from Rivers?
Statistical and numerical models show that denitrification efficiency is a key parameter controlling the production of N2O from rivers, providing a target for river restoration projects.
Posted inEditors' Highlights
Phytoplankton as Emitters of Greenhouse Gases
Phytoplankton remove carbon dioxide from the atmosphere; a new study reveals that marine phytoplankton can also produce greenhouse gases when exposed to ultraviolet radiation.
Posted inResearch Spotlights
Mejorando el presupuesto mundial para el metanol atmosférico
Nuevos datos de exploración con aeronaves muestran que aunque la química atmosférica sobre regiones oceánicas remotas es una fuente considerable de producción de metanol, la emisión neta de metanol del océano es menor.
Posted inResearch Spotlights
Improving the Global Budget for Atmospheric Methanol
New aircraft survey data show that although atmospheric chemistry above remote ocean regions is a considerable source of methanol production, the ocean’s net methanol emission is minor.
Posted inNews
The Surprising Source of Greenhouse Gas Emissions
Changing the way emissions are tallied may help litigators focus on the worst climate offenders and shape mitigation.