New report describes the return of acid rain – this time it’s from farms and cars
In the 70s and 80s acid rain received lots of attention for being a scourge upon forests and freshwater lakes and streams, poisoning aquatic life, insects and humans as well as corroding monuments and buildings in urban areas. Acid rain never went away, but its levels changed and its sources shifted. You see, acid rain is produced when either sulfur-oxides or nitrogen oxides interact with water in the atmosphere, reducing its ph levels and making it more acidic – resulting in nitric and sulfuric acids. In the 70s and 80s the main source of acid rain was sulfur (or sulphur in…

