Why this bus has a garden on top of it

Source: theatlanticcities.com via Tonie on Pinterest

Buses have made strides in recent years to be more eco-friendly. So far it's been things like becoming more fuel friendly, but in the future we could see buses go a step further, taking unused spaces on their roofs and turning them into beautiful, rolling gardens. The project is called "Bus Roots" and it was conceived by New York City designer Marco Antonio Castro Cosio for his graduate thesis at New York University. He calls it "nomadic urban agriculture," and a prototype has already hit the streets courtesy of the BioBus, a mobile science lab that has traveled between New York and Ohio. FULL STORY