Bronze sculptures, renowned for their durability and timeless beauty, face significant challenges in regions with frequent acid rain. Acid rain, composed of sulfuric and nitric acids, accelerates the corrosion process of bronze, leading to surface degradation and loss of detail. The primary reaction involves the formation of a greenish patina (verdigris), which, while sometimes aesthetically desirable, can mask intricate designs and weaken the metal over time.

In highly polluted areas, the patina may become uneven or overly thick, causing irreversible damage. To mitigate these effects, artists and conservators employ protective coatings like wax or lacquer, which create a barrier against moisture and acidic pollutants. Regular cleaning with pH-neutral solutions and prompt removal of corrosive deposits are also essential.

For long-term preservation, relocating sculptures indoors or under protective coverings is ideal. Advanced treatments, such as corrosion inhibitors, are increasingly used in conservation efforts. By understanding the risks and implementing proactive measures, bronze sculptures can withstand the harsh effects of acid rain and remain cherished for generations.