One of the most apparent effects of air pollution is acid rain that occurs when rain, snow, mists, or dust become abnormally ...

When acidic components get into rain or other forms of precipitation, acid rain can make trees die. It won't hurt you to walk or swim in acid rain, but the particles that cause it may hurt your lungs ...

Airstrikes on oil storage facilities in Tehran triggered massive fires, sending thick black smoke across the city. Rainfall passing through the polluted air turned into dark, potentially acidic rain, ...