Outdoor bronze sculptures are admired for their beauty and durability, but their longevity is heavily influenced by environmental conditions. Exposure to rain, humidity, pollution, and temperature fluctuations can accelerate corrosion and patina formation, altering both appearance and structural integrity.

Rainwater, especially in acidic environments, reacts with bronze to form verdigris, a greenish patina that can protect the metal but may also lead to erosion over time. Coastal areas pose additional risks due to salt spray, which accelerates corrosion. Air pollution, particularly sulfur dioxide, contributes to tarnishing and surface degradation.

Extreme temperature changes cause expansion and contraction, leading to micro-cracks that weaken the sculpture. High humidity fosters mold and biological growth, further damaging the surface.

To preserve bronze sculptures, regular cleaning, protective wax coatings, and strategic placement away from harsh elements are recommended. Understanding these environmental impacts helps in maintaining these artistic treasures for future generations.