The American Conservation Broker™ (ACB) certification is a conservation awareness program for U.S. real estate professionals. Certified Conservation REALTORS™ are creating a new marketplace to save our planet’s biological diversity. The International Conservation Broker™ (ICB) certification program is for real estate professionals operating outside of the continental U.S. The certification is rigorous and the most advanced program offered by the Association. REALTORs™ with the American and International Conservation Broker™ certification enjoy special relationships with conservation organizations and the general public. Please support these professionals as they build a 21st century ecological economy.