Reducing the effects of air pollution requires estimations of where it costs the most—in both money and lives.
aerosols & particles
Wildfire Smoke Linked to 17,000 Strokes Annually in the United States
A study of 25 million Medicare participants adds to a body of evidence suggesting that prolonged exposure to wildfire smoke is more harmful to human health than other forms of air pollution.
The Past 3 Years Have Been the Three Hottest on Record
Extreme heat in 2023, 2024, and 2025 indicates a warming spike, a new analysis finds.
New Insights into the Foggy Role of Contrails Within Clouds
New research helps clarify how frequently contrails form within clouds and what that means for their effect on the climate.
Fungal Spores in Wildfire Smoke Could Cause Lung Disease
Mice exposed to fungi spready by wildfires developed symptoms, exposing a potential health hazard to humans that has been understudied.
Some Summer Storms Spit Sooty Particles into the Stratosphere
Earth’s typically pristine stratosphere is filling with particles from wildfires and additional moisture due to strong convective storms.
全球气候模型需要全面纳入氮循环
氮在气候变化、人类健康和农业等领域发挥着重要作用。一位研究人员认为,气候模型若能更全面地纳入氮的影响,将会受益匪浅。
Global Climate Models Need the Nitrogen Cycle—All of It
Nitrogen plays important roles in areas including climate change, human health, and agriculture. A researcher argues that climate models would benefit from more fully incorporating its influence.
Donde hay fuego, hay humo
Utilizando los instrumentos de monitoreo existentes y nuevos, investigadores trabajan para comprender mejor la calidad del aire durante y después de los incendios forestales de Los Ángeles.
Dust Is the Sky’s Ice Maker
New analysis links desert dust to cloud freezing, with big implications for weather and climate models.
