A joint report written by NHPC and the Association of Energy & Environmental Real Estate Professionals (AEEREP) that encourages states and stakeholders to revise Multiple Listing Services (MLS) to incorporate searchable data fields that capture verified data regarding a home’s performance with respect to energy consumption and environmental impact. The report describes the stakes and stakeholders involved in greening the MLS system issues, analyzes the challenges involved, and summarizes what the green building stakeholder community can learn from Collaborative Green MLS Enhancement Model.