The Infrastructure and Buildings Adaptation “State of Play” project provides an overview of state of adaptation in Canada and the activities underway in the infrastructure and building sectors. [...] Barriers to climate change adaptation in Canada most frequently mentioned in the literature and in conversations with subject matter experts completed for this State of Play report were: Inconsistent and lack of climate change guidance and direction at the provincial and federal levels. [...] Development of an outreach and engagement strategy to support the development of awareness of the availability and uptake of climate change adaptation guidelines, plans and protocols that are available. [...] Development of communication strategies and tools targeted to the public and elected officials to promote understanding and value of infrastructure and the need for investment to build resilient systems. [...] The objective of this State of Play report is to assist the IBWG to develop a common understanding of the current experience with climate change adaptation in the infrastructure and buildings sectors, including potential impacts, activities underway, and gaps and opportunities.