Sumary of 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.:
- 10, 2021 — Air pollution from traffic can accumulate where buildings line city roads, creating the effect of a polluted urban canyon.
- The hedge runs along the sidewalk between the road and residential apartment buildings.
- But wind direction affected where pollution accumulated around the hedge, with higher levels in some areas behind the roadside greenery.