It would be difficult to neutralise acidic rain. However, calcium oxide or calcium carbonate can be used to neutralise sulphur dioxide. This prevents sulphur dioxide reacting with water, thus preventing the formation of sulphuric acid. In other words, preventing the formation of acidic rain in the first place. read more
For more than 30 years, the bucket has collected all forms of precipitation — from hail to rain to snow — to be analyzed for nitric and sulfur oxides, the main components of acid rain. read more