Matteo Cibic asks: we pay to park a car, why not pay to park a tree? His tree trolley, intended to occupy street parking spaces, is instant, multi-function urban greening. The portable unit would also serve as a street light, bench, wi-fi hot spot, and more. See full article at Treehugger.

Pictures © Matteo Cibic (Milan, Italy), via Treehugger.