IMPORTANCE OF VERTICAL GARDENING
With more high-rise constructions in cities and less land space for greenery in urban landscapes, a certain trend for vertical gardens has been getting more and more popular. It may seem like a relatively new concept or a fad of modern times, but the concept of living green walls has actually been around for longer than you think.
Green walls are a sustainable innovation that lets modern societies in industrialised cities transform walls into structures of vegetation, adding a much needed touch of green in urban settings. They can be free-standing or attached to a wall and we can see more and more office buildings covered in green because of the many health and environmental benefits of these constructions. Green living walls can create microclimates based on the orientation towards the sun and also:
• Improve air quality
Plants act as a natural air filter, as they naturally remove carbon dioxide and produce oxygen, while absorbing and cleaning pollutants from the air. It’s for a reason that the Amazon rainforest is called the white lungs of the planet. Green walls are especially helpful for improving air quality in built-up urban areas due to the many plants they sustain. According to studies, green living walls can reduce the production of nitrogen dioxide by 40% and particulate matter by 60%. Buildings and offices are the breeding ground of toxins and it’s common knowledge that plants in homes and offices significantly improve the quality of indoor air. An indoor green wall works to this efficiency on a much larger scale, making the air free of harmful formaldehyde, VOCs, trichloroethylene, carbon monoxide and benzene and reducing the “sick building syndrome” for people occupying the building.
• Reduce energy costs
It has been scientifically proven that large metropolitan areas are significantly warmer than rural and less built-up areas. The rising temperatures have adverse environmental impact both in terms of higher energy consumption and air pollution. The vegetation on a living green wall will reflect direct sunlight rather store it the way bare concrete or brick would, and can balance humidity levels through the process of evapotranspiration. A green wall will act as a natural air conditioner, as the air surrounding the green wall is naturally cooled in summer, while in winter, a green wall on the outside of a building acts as insulation, reducing energy costs.
• Reduce noise levels
It’s a well-known fact that trees can have the same effect in muffling urban noise as a stone wall. Similarly, green walls reduce background noise in loud areas and busy streets. Dense plants on green walls naturally block high frequency sounds, as the foliage absorbs and reflects the noise that comes its way while the supporting structure can help to diminish low-frequency noise.
• Enhance aesthetics
In modern societies, where what’s on the outside matters, the unusual display of landscape in a vertical position certainly catches the eye. Green walls easily transform dull spaces in houses and office buildings into an inviting and soothing ambience. They make a great first impression on clients and bring green vigour or a pop of colour to both enclosed and outdoor spaces. Furthermore, green walls allow for bespoke designs with plants and flowers varying in colour, texture, and growth, allowing for creative designs and logos.