Forget pesky moss, this green roof is a showpiece - Calgary Herald

Very few buildings in the Comox Valley have natural 'green roofs' - unless you count all those with pesky moss waiting to be scraped from the shingles. But deliberately planned green roofs are fast catching on elsewhere, and locally there is a showpiece ...

Source: http://www.canada.com/Forget+pesky+moss+this+green+roof+showpiece/6131297/story.html

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