The report provides an overview of the state of net-zero operational carbon buildings, including their definition, delivery, and incentives. The report highlights the importance of assessing and reducing net-zero emissions, as well as the need for global greenhouse gas emissions to be reduced by 43% by 2030. The report also includes case studies of successful delivery and incentives, as well as a glossary of terms related to net-zero carbon buildings. The report provides an overview of regional progress and highlights the importance of design and construction, handover and operation, net-zero carbon renewable energy procurement, carbon offsetting, and transition to net-zero carbon in operation. The report also provides definitions of net-zero carbon buildings and their importance in the built environment.