| Green roofs were traditionally employed for insulation and increased resiliency in cold climate regions of Europe. Modern green roofs are a rapidly developing  commercial market in Ontario. Their primary benefit is in maximizing evapotranspiration for water balance targets.    | Green roofs were traditionally employed for insulation and increased resiliency in cold climate regions of Europe. Modern green roofs are a rapidly developing  commercial market in Ontario. Their primary benefit is in maximizing evapotranspiration for water balance targets.    |