New observational constraints suggest that U.S. emissions of this heat-absorbing aerosol were 80% higher during the late 20th century than prior estimates have indicated.
air pollution
Posted inResearch Spotlights
Probing Wildfire Smoke Plumes Up Close
Direct observations from flights over coastal California reveal more about aerosol plumes released by burning biomass.
Posted inResearch Spotlights
Ozone Pollution Deaths in India Higher Than Previously Thought
Reducing emissions could avert more than 300,000 deaths per year by 2050.
Posted inEditors' Highlights
How Brown Carbon and Coatings on Black Carbon Affect Absorption
While ambient black carbon absorption is shown largely independent of coatings, distinct types of atmospheric brown carbon coexist, deriving from primary emissions and secondary processing.
Posted inNews
Stroke Deaths Rise, Life Expectancy Falls with Polluted Air
The connection between poor air quality and higher stroke mortality was strongest in southern states across a region known as the “stroke belt.”
Posted inNews
Heavy Air Pollution May Lower Cognitive Test Scores
A new study found that verbal and math test scores in China dropped with reduced air quality. The effects were especially pronounced for men and elderly populations.
Posted inResearch Spotlights
Improving Air Quality Could Prevent Thousands of Deaths in India
More stringent emission controls are key to the country’s future health.
Posted inNews
Ozone Pollution Maps Show Spikes Amid Broad Declines
Exceptionally comprehensive new maps detail current global concentrations and 15-year trends.
Posted inOpinions
Will Clean Air Fade Away?
Government-sponsored research and regulations enabled western U.S. states to clean up their air, despite industrial and population growth. Proposed funding cuts could undo this progress.
Posted inNews
Advanced Satellite Tracks Air Pollution in Extraordinary Detail
The unparalleled resolution of the European Space Agency’s Sentinel-5P’s spectrometer will allow scientists to pinpoint pollution sources, the agency reports.