The LEED Certification System consists of which main categories? 1) Tract Housing and Apartments (TH⁺A) 2) Neighborhood Development (ND) 3) Mining, Industrial, and Chemical (MI+C) 4) Building Design and Construction (BD+C) 5) Big Box Retail and Strip Malls (BB+S) 6) Operations and Maintenance (O+M) 7) Homes (Homes) 8) Interior Design and Construction (ID+C)
