Creating metal sculptures that endure urban pollution requires careful planning and execution. Urban environments expose artworks to pollutants, moisture, and temperature fluctuations, accelerating corrosion and wear. Here are the best practices to ensure longevity:

1. Material Selection: Opt for corrosion-resistant metals like stainless steel, bronze, or corten steel, which develop a protective patina over time. Avoid materials prone to rust, such as untreated iron.

2. Protective Coatings: Apply specialized coatings like powder coating, galvanization, or clear sealants to shield the sculpture from pollutants and moisture. Regular reapplication may be necessary.

3. Design Considerations: Minimize crevices and joints where pollutants can accumulate. Smooth surfaces and proper drainage prevent water retention, reducing corrosion risks.

4. Regular Maintenance: Inspect sculptures periodically for signs of damage or corrosion. Clean surfaces with mild detergents and avoid abrasive tools that could strip protective layers.

5. Location Planning: Install sculptures in areas with good airflow and minimal exposure to industrial pollutants or road salt. Elevated placements can reduce ground-level contaminants.

By combining durable materials, protective treatments, and proactive maintenance, artists can create metal sculptures that thrive in urban settings, preserving their beauty for generations.