Contemporary urban spaces are increasingly dense and lack green areas. With the growth of cities and the increase in urbanization, the presence of natural vegetation has decreased considerably. However, vertical gardens have emerged as an innovative solution to bring greenery back to cities. In this article, we will explore the trend of vertical gardens and how they are becoming the missing green element in cities.
What are Vertical Gardens?
Vertical gardens, also known as green walls or wall gardens, are structures that allow plants to be grown on vertical surfaces such as walls, walls or building facades. They can vary in size from small panels in homes to large installations such as skyscrapers and public spaces.
Origins of Vertical Gardens
The idea of growing plants vertically is not new. Since ancient civilizations, such as the Hanging Gardens of Babylon, humans have experimented with vegetation in different structures. However, the modern concept of vertical gardens was popularized in the 1930s by French botanist Patrick Blanc. Blanc created a hydroponic system that allowed plants to grow on vertical panels without soil, and used a nutrient solution to provide water and nutrients to the plant roots.
Benefits of Vertical Gardens
Aesthetics and Pleasant Environment: Vertical gardens add aesthetic beauty to the urban environment, providing an oasis of tranquility amidst the hustle and bustle of the city.
Improved Air Quality: Plants are known to absorb carbon dioxide and release oxygen during the process of photosynthesis, contributing to improved air quality.
Thermal and Acoustic Insulation: Vertical gardens act as thermal insulators, helping to reduce the temperature in hot urban areas. In addition, they can also absorb noise, making the environment quieter.
Efficient Use of Space: In cities where space is limited, vertical gardens offer a solution to grow plants without taking up large horizontal areas.
Technology and Design
Vertical gardens can be created by using different methods and technologies. Hydroponic systems are common, where plants are grown in substrates that allow their roots to absorb water and nutrients from a nutrient solution.
In addition, vertical gardens require special attention to design and engineering, as it is critical to ensure that the plants receive the proper amount of sunlight and water, and that the structure supports the weight of the plants and substrate.
Examples of Vertical Gardens Around the World
Musée du Quai Branly – Paris, France: French architect Jean Nouvel designed the museum’s facade with vertical gardens, created by botanist Patrick Blanc. This installation has become an icon of vertical gardens around the world.
One Central Park – Sydney, Australia: Designed by Jean Nouvel in partnership with botanist Patrick Blanc, the building features a lush green wall that extends over several floors, providing a spectacle of natural beauty.
CaixaForum – Madrid, Spain: This cultural center features an impressive vertical green façade designed by Swiss architect Herzog & de Meuron.
Vertical gardens are rapidly gaining popularity as a smart and innovative way to reintroduce nature into modern cities. In addition to adding beauty to the urban environment, they bring a number of environmental benefits and contribute to the well-being of the population. With continued awareness about the importance of nature in urban areas, vertical gardens are likely to continue to flourish and expand in different parts of the world, becoming the greenery that cities so desperately need.
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