In the 1970s, acid rain was one of the most serious environmental threats in North America and Europe. The air was so laden with pollution from coal power plants and cars at the time that it turned ...

Acid rain is a term that refers to not just rain but also other forms of precipitation such as snow, hail, sleet, and fog that has a higher acidity than normal. Acid rain is caused by the burning of ...

Scientists have warned about a new kind of acid rain that is everywhere, is almost impossible to clean up, and could be a threat to every living thing on planet Earth. Trifluoroacetic acid (TFA) – a ...