Here is a very hip idea. The 21st century answer to small space container gardening, helping those in need and recycling.
"We first saw this amazing idea for a vertical urban garden on treehugger.com about a month ago, and we've been thinking about it ever since. It's absolute genius! The cool upcycled urban garden shown was made for a poor family of three living in outer São Paulo, Brazil, by design studioRosenbaum, which collaborates with the TV show Caldeirao do Huck in a segment called Lar doce lar (Home Sweet Home)." jen betterley via Parent Map.