Name a widely used sustainability rating system for interior design projects.

• A. LEED
• B. BREEAM
• C. Green Star
• D. WELL Building Standard

Answer: (A)

LEED, which stands for Leadership in Energy and Environmental Design, is a globally adopted framework created by the U.S. Green Building Council. It provides a broad set of credits across categories such as energy and atmosphere, water efficiency, materials and resources, indoor environmental quality, and sustainable sites. For interior design projects, these credits translate into tangible design choices—efficient lighting and HVAC, low-emitting finishes, good daylight and thermal comfort, and sustainable material and furniture selections. This structure helps projects earn certification at levels like Certified, Silver, Gold, or Platinum, giving clients a recognizable mark of sustainability. While other systems exist—BREEAM is common in the UK and Europe, Green Star in Australia, and WELL emphasizes occupant health—the international reach and interior-design-focused credits of LEED have made it the most widely used choice for interior projects.