Dense foliage on street level Source: atelier GROENBLAUW

Dense vegetation at street level

  • Water: 1
  • Heat: 1
  • Biodiversity: 3
  • Air quality: 1
  • Energy: 1
  • Multifunctional space usage: 1
  • Costs: 2
  • Maintenance/management: 2


On a smaller scale, for example to protect a building or pedestrians from a busy road, hedgerows can prevent the mixture of air polluted by traffic with cleaner air, thus ensuring a lower concentration of pollution behind these ‘green screens’. The research regarding this measure has received mixed reviews from the various conducted studies.