A Facebook page set up to save the trees quickly

A Facebook page set up to save the trees quickly

Hanoi, Vietnam

DNA profiles of litterers in the streets

DNA profiles of litterers in the streets

Hong Kong

#Skateistan – Skateboarding to empower youngsters

#Skateistan – Skateboarding to empower youngsters

Kabul, Afghanistan

SafeMotos’ – Una aplicación para morir otro día en las calles

SafeMotos’ – Una aplicación para morir otro día en las calles

Kigali, Kigali City, Rwanda

Literature to the streets

Lisbon, Portugal

Dancing traffic light entertains pedestrians and improves safety

Dancing traffic light entertains pedestrians and improves safety

Lisbon, Portugal

“Fast Track” pedestrian lanes

Liverpool, United Kingdom

Bike paths in abandoned tube tunnels?

London, UK