Los niveles de contaminación del aire por debajo de los límites “seguros” (y más bajos que los que comúnmente se encuentran en las ciudades) llevaron a una disminución significativa de la polinización de hasta por 10 insectos comunes.
air pollution
Unhealthy Air Could Become Routine in the Pacific Northwest
If the world stays on fossil fuels, fine particle pollution from wildfire smoke could more than double in the late summer to early fall in the U.S. Pacific Northwest by 2100.
¿Cuánto tiempo permanecen las partículas de carbono negro en la atmósfera?
Investigadores descubren cómo el carbono negro evoluciona de partículas hidrofóbicas a sitios de nucleación de nubes, removiendo eventualmente las partículas que absorben calor del cielo.
Air Pollution Was Reduced During the COVID-19 Pandemic
A decrease in emissions of ozone precursor gases during the COVID-19 economic downturn likely explains the unusual reduction in ozone concentrations observed during the spring and summer of 2020.
Pollution Is Disrupting Rain Cycles in the Amazon
A team of researchers in Brazil and the United States uncovered the importance of the mechanism of oxidation—a process with the potential to affect climate and precipitation across the tropics.
Iodine-Laden Desert Dust Is Eating at Ozone Pollution
In a happy accident, scientists found a potential solution to an atmospheric chemistry mystery. Their findings could be a missing piece in the iodine cycle and in atmospheric models.
Pollination Plummeted 31% in Polluted Fields
Air pollution levels below “safe” limits (and lower than those commonly found in cities) led to a significant decrease in pollination by 10 common insects.
Exposure to Low Levels of Air Pollution Increases COVID-19 Risk
Although causality has yet to be established, an Italian case study found that an increase in annual average exposure to PM2.5 was associated with a jump in the rate of COVID-19.
Cleaner Pandemic Air Led to Reduced Lightning Strikes Worldwide
As people stayed home during the COVID-19 lockdowns, air quality improved. But the improvement was accompanied by an unusual meteorological side effect: a decrease in lightning.
Health Impacts of Air Pollution from Australian Megafires
Models suggest that thousands of Australians experienced dangerous levels of air pollution for several months, leading to more than a hundred deaths.