LONDON—Most people know what air pollution is and that it can have serious implications for the environment, global warming and human health. But it’s quite hard to picture the noxious, mostly translucent gases in a tangible way. To bring the dangers of air pollution into focus, AMV BBDO in London has created a new digital campaign, in partnership with Grain Media and YouTube, for the United Nations.

Link: United Nations Enlists Parkour Star in Anti-Pollution PSA