Environmental experts are happy that this “innovation” will help control air pollution on some major roads as well as controls the urban heat Island (UHI) effect.Experts claimed that walls on which vertical gardens are installed reflected a drop of 1 -2 degrees.The plants absorb the heat and regulate temperature of any wall or building including house,Office,Parking… While it is easier to reduce the temperature of a building from inside you need to implement wall garden to cover it all on large scale across the capital to regulate external temperature.