Semi-translucent panels allow light to reach this rooftop garden in Vienna I'm on a rooftop ... sticky days in the city, more of these urban oases are likely to be welcome. We look at why the ...

While ground-level gardens are hard to come by, these towering structures have unlocked new potential, with over 40,000 acres of rooftop space that is ripe for transformation into urban sky gardens.

Thanks to a collaboration between UMass Lowell and Lowell-based urban farming nonprofit Mill City Grows, there is a rooftop garden outside the windows of the busy second-floor landing in University ...

Invisible to those below, a sprawling garden of radishes ... thanks to initiatives like Rooftop Republic, a local social enterprise which promotes urban farming. Co-founder Andrew Tsui sees ...