1. RETOSA aims to establish a comprehensive harmonized accommodation grading system across 15 Southern African countries and territories by 2015. 2. The project involves developing nearly 2,000 standards that integrate quality, environmental, accessibility, and social responsibility criteria. 3. The system is intended to reduce CO2 emissions from accommodations by 20% or 1 billion kg per year by 2016, while providing credible ratings and more accessible facilities for travelers.