There are many efforts at play to figure out greener ways to produce ammonia, but this new one out of the University of Sydney might be the most electrifying of the lot: researchers there are using ...

Air pollution isn’t always visible, but it affects nearly every breath taken indoors. Floating in the air are tiny particles ...

A new study has found that the air in our homes and cars contains thousands of microplastics that are small enough to penetrate deep into the lungs, raising concerns about potential health impacts.

Air in the U.S. has gotten cleaner for decades, adding years to people's lives and preventing millions of asthma attacks, but nearly half of Americans still live with unhealthy air pollution, a new ...