According to ecobnb.com, green walls utilise plants and soil microorganisms to remove harmful substances from indoor air. This process, known as phytoremediation, has been found to be effective in reducing indoor air pollution levels. They purify the air by absorbing pollutants like benzene, and CO₂.
Plants absorb 50% of sunlight and reflect 30%, which helps to create a cooler and more pleasant climate during summer time. For the indoors, this also means that 33% less air conditioning is required.
Plants act as a sound barrier by absorbing 41% more sound than a traditional facade, decreasing it by up to 8dB. Thus, the environment becomes much quieter, both inside and outside the building, with noise levels similar to those found in nature.
Living and working in a green environment has a positive effect on the well-being of people. Green offices stimulate relaxation by reducing stress. Blood pressure, heart activity, muscle tension, and brain activity could all be improved by viewing plants for as little as three to five minutes.
