Roadside Shrubs Buffer Against Traffic Air Pollution

Greenery along roadsides where buildings tower could reduce air pollution exposure for pedestrians and cyclists, but how well this works may come down to perfect plant placement.

Roadside Shrubs Buffer Against Traffic Air Pollution
photo of smokestacks

Greenery along roadsides where buildings tower could reduce air pollution exposure for pedestrians and cyclists, but how well this works may come down to perfect plant placement.