New research from the University of Surrey has revealed the best species for purifying the atmosphere.  Studying 10 individual plant types on a custom-built 1.4metre green wall situated at the A3 in Guildford, the team drew a number of conclusions which could help maximise the impact of future infrastructure.  Evergreen, candytuft, and ivy leaves were … Continue reading Lavender, marjoram and ivy improve clean air from green walls