Henry Gass of McGill Daily reports

The fight for Montreal’s environmental future has recently reached new heights, as various environmental groups in the city promote the installation of energy-efficient green and white roofs.

Green rooftops, or rooftop gardens, are becoming more and more popular in Montreal, while white rooftops, flat surfaces with a white polymeric membrane stretched across, are just starting to be introduced.

Read the full article at the [SOURCE: McGill Daily - Green, white roofs come to campus]