Natural Stone Sustainability Standard
The Natural Stone Sustainability Standard (ANSI 373) examines and verifies numerous areas of natural stone production; effectively improving the baseline for the environmental performance of natural stone.
Download Standard Source Sustainable Stone
What Makes Natural Stone Sustainable?
Explore the metrics used to define sustainable production in the dimension stone industry including energy/carbon, land impacts, ingredient transparency, and social responsibility. LEARN MORE
How to Use the Standard
Points for using certified quarries and fabrication facilities are available through LEED v4 and Living Building Challenge. Learn details for obtaining these credits and other ways to specify responsible stone sourcing in your projects. LEARN MORE
Access published documents and reports supporting natural stone’s alignment with green building practices. LEARN MORE
Join the Sustainability Cause
Learn how your quarry, fabrication shop, or distribution facility can align with the green building movement. LEARN MORE