Smoke aerosols from large wildfires are the perfect reaction surface for chlorine chemicals, speeding their transformation from ozone-friendly forms to reactive ones.
ozone
Posted inNews
“Revolutionary” Instrument to Watch North American Skies
TEMPO, scheduled for launch this April, will monitor ozone and other pollutants during hourly daytime scans, providing data for better air quality forecasts and atmospheric models.
Posted inFeatures
Estableciendo el marco para la acción climática bajo el Protocolo de Montreal
Doce artículos fueron la base científica para la rápida acción que reforzó el tratado, el cual ya estaba salvaguardando el ozono estratosférico, para que también protegiera el clima al reducir los super contaminantes.
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UV Radiation Contributed to Earth’s Biggest Mass Extinction
To find the first direct evidence of heightened UV radiation during the end-Permian mass extinction, researchers turned to chemical evidence preserved in pollen grains.
Posted inEditors' Highlights
Clumped 18O –18O in Ice Reveals Past Ozone and Wildfire
Reactive gases like ozone are hard to preserve, but clumped isotopes and models provide clues to past ozone and suggest a global increase in wildfire at megafaunal extinction.
Posted inFeatures
Setting the Stage for Climate Action Under the Montreal Protocol
Twelve papers formed the scientific basis for fast action to strengthen the treaty, which was already safeguarding stratospheric ozone, so it also protects the climate by reducing super pollutants.
Posted inEditors' Highlights
Ozone, Water Vapor and Temperature: It’s a Complex Relation
Solar occultation observations from the ACS/MIR instrument provide coincident profiles of O3, H2O and temperature, shedding light on correlations and unveiling knowledge gaps in Mars’s photochemistry.
Posted inEditors' Highlights
A Significant Advancement in Modeling the Global Methane Cycle
The capability to fully model the global methane cycle advances the international climate science community’s ability of providing essential evidence to underpin climate mitigation policy.
Posted inEditors' Highlights
Community Scientists Help to Beat the Heat
As cities face health threats from heat and air pollution—both expected to worsen from climate change—researchers pilot a community scientist effort to map air quality and improve urban health.
Posted inResearch Spotlights
Despite Improvements, China’s Air Remains Unsafe
Toxic particulate matter has decreased by about a third over the past decade, but levels are still above what’s considered healthy.