Stone sculptures, whether displayed outdoors or indoors, are vulnerable to damage from environmental pollutants such as acid rain, smog, and industrial emissions. To preserve their beauty and structural integrity, proactive measures are essential.

1. Regular Cleaning: Gently clean sculptures with distilled water and soft brushes to remove surface contaminants. Avoid harsh chemicals that may erode the stone.

2. Protective Coatings: Apply breathable sealants or waxes designed for stone to create a barrier against pollutants without trapping moisture.

3. Sheltered Placement: Whenever possible, position sculptures under roofs or in shaded areas to minimize exposure to rain and airborne particles.

4. Monitoring and Maintenance: Inspect sculptures periodically for signs of discoloration or erosion, addressing issues early to prevent irreversible damage.

5. Environmental Controls: For indoor sculptures, use air purifiers and maintain stable humidity levels to reduce pollutant buildup.

By combining these strategies, you can significantly extend the lifespan of stone sculptures while maintaining their artistic and historical value.