Greening the trackbeds of urban transit isn't just about optics.

A carpet of grass or sedum on 2 kms of track creates 1.5 football fields' worth of green space, reducing air pollution and the urban heat island effect.

#tramsongrass

(Below: #Barcelona)

@straphanger
But than this happens, because idiots thinking this cannot be and must be a street 🫣

#tramsongrass #barcelona