The new rule marks the latest in a series of steps taken by the Trump administration to protect U.S. Steel and ...

Long-term high ultrafine particle concentrations in New York state neighborhoods are linked to higher numbers of deaths. That is the key finding of our new research, published in the Journal of ...

South Florida's air may not be as clean as it seems. Invisible yet all around, PFAS—the so-called "forever chemicals"—drift ...

Plastic waste that accumulates on land eventually ends up in the ocean as microplastics. However, it is now speculated that microplastics are also present in the atmosphere, contained in clouds. In a ...