Colorado State University atmospheric chemist Delphine Farmer had spent her entire career probing the complexities of outdoor air – how gases and particles in the atmosphere move, interact and change, and how human activities perturb the air we breathe.  Then, she went inside.

The water filter on your refrigerator door, the pitcher-style filter you keep inside the fridge and the whole-house filtration system you installed last year may function differently and have vastly different price tags, but they have one thing in common.

A study led by environmental researchers at The University of Texas at Arlington suggests a disconnect between the perception of groundwater contamination and the extent to which that contamination is attributable to oil and natural gas extraction.

With water scarcity intensifying, wastewater treatment and reuse are gaining popularity. But some methods for killing microbes in wastewater create disinfection byproducts (DBPs) that could be harmful to human health.

The presence of artificial sweeteners has revealed that at least 13 percent of septic system wastewater from rural Southern Ontario homes eventually makes its way into local streams.

Roofs and the downwind sides of buildings in street canyons have the lowest levels of particulate matter during a single-source pollution event, according to Penn State researchers. 

UN University foresees 24% wastewater increase by 2030; 51% by 2050.

A nuclear war that cooled Earth could worsen the impact of ocean acidification on corals, clams, oysters and other marine life with shells or skeletons, according to the first study of its kind.

NASA's Terra satellite saw yet another fire, known as the Orroral Valley Fire, break out in the Canberra region of Australia, specifically in and around the ​Namadgi National Park. 

Texas A&M researchers are part of a time that analyzed how auto exhaust in large cities, especially in China, is linked to air quality and health problems.