Acid rain: causes, chemistry, effects and responses Acid rain Acid rain is precipitation with elevated acidity (pH below about 5.6) produced when air pollutants form acids in the atmosphere. This article explains its formation, impacts, histo…
Atmospheric chemistry: composition, processes, and environmental impacts Atmospheric chemistry Scientific study of the chemical composition and reactions in Earth's and other planets' atmospheres, their sources, effects on air quality and climate, and methods used to observe…
