With 81 per cent of Canadians living in urban centers, cities are leading low carbon innovationhubs. Namely, in 2011 Vancouver set out to become the greenest city in the world by 2020. Currently, thecity ranks among the top environmental cities worldwide as leaders in greenbuilding and architecture design, infrastructure, and policy. For example, Vancouver requires energy efficiency retrofits when a building issold and when renovation permits are being issued. Proposed climate action policies such as these, become tailored to local communities, their vulnerabilities, and advantages—maximizing the efficacy of policy.