TORONTO, Ontario, Oct. 21 (TNSjou) -- The University of Toronto issued the following news:

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Bird's eye view: U of T study uses aerial imagery to gauge health of city's green roofs

Researchers from the John H. Daniels Faculty of Architecture, Landscape, and Design examined images gathered using aerial remote sensing technology to track changes in the health of the vegetation across nearly 1,500 roofs in Toronto

By Nina Haikara