Manmade aerosols have long been considered a prime factor in global warming, but now they are reducing, worldwide temperatures continue to climb. One expert thinks he knows why.

The virus winter season has struck—and COVID-19 is still part of everyday life. However, unlike during the pandemic, we now ...

Increased use of ventilation and air cleaners, designed to mitigate the spread of viral infections in hospitals, is likely to have unpredictable effects and may cause viral particles to move around ...

These coarse aerosols have short atmospheric lifetimes, typically only a few days. Combustion processes, biomass burning, and plant/microbial materials are sources of carbonaceous aerosols ...