From NYC: "Living garden on bus rooftop to add some rolling green to city streets," by Darren Quick for Gizmag

Finding room for green spaces in more and more crowded cities isn’t easy but NYU graduate student Marco Castro Cosio has hit upon the idea of planting gardens on some previously wasted space found on city streets – the roofs of buses. With New York’s Metropolitan Transportation Authority (MTA) running a fleet of around 4,500 buses, each with a surface area of 340 square feet (31.5 m2), Cosio says that if a garden was grown on the roof of every one, there would be an extra 35 acres of rolling green space in the city. (Read more here.)