I found these kind of cool as an idea, as they can be added rather easily to existing cities and provide some greenery without taking up space, while providing shade:...
I also have concerns about nutrient cycling, every rain and over watering is going to wash nutrients into the street below. This is an interesting idea, but could use more refinement.
Paramount Cuts Nearly All Content on Comedy Central, TV Land, CMT and MTV Websites ( www.hollywoodreporter.com )
Generate shadows without trees: vegetable awnings, a new way to generate shadows in the city. ( www.singulargreen.com )
I found these kind of cool as an idea, as they can be added rather easily to existing cities and provide some greenery without taking up space, while providing shade:...