When smog floated above America’s big cities, it caused acid rain. It is sulfuric or nitric acid that falls to the ground ...

"Every organism is interacting with rainwater." Researchers make gut-wrenching discovery after studying rainwater around the ...

A new threat is here, and scientists say there's no way to stop it, as even remote parts of the world are seeing microplastic ...

With bipartisan leadership and cooperation between the U.S. and Canada, acid levels slowly reduced, and recent samples ...

In the 1970s, acid rain was one of the most serious environmental threats in North America and Europe. The air was so laden ...

This blog post explores the factors contributing to air pollution and introduces two instruments for continuous ambient air ...