
The Israeli startup Tree Tube, founded in 2019, has designed a unique system to compensate the lack of green spaces in cities, which makes the growth of trees possible in urban areas. Trees play an essential role in improving cities, by creating a shaded canopy, reducing air pollution and increasing biodiversity while fighting against global warming. However, trees are typically surrounded by hard surfaces, limiting their underground root spaces and hindering healthy, sustainable growth.
Tree Tube's patented Lego-like technology provides the right volumes of soil and compost for roots, vital gas exchange and water. The system is adequate to facilitate the growth of healthy trees.

With their dense underground networks, impermeable asphalt and compacted urban soils, city streets provide a hostile habitat for trees. The technology provides the conditions (aeration, water and available soil) allowing the roots to develop at a level of 50 to 100 cm underground and physically prevents them from rising towards the road or sidewalk thanks to a polyolefin barrier.
Engineering teams have developed a lightweight, easy-to-install HDPE plastic technology that allows roots to grow under sidewalks. The versatile system applies to a multitude of situations and was designed to be located in parallel, between underground infrastructure and existing tubular utilities. Thanks to its modularity, the positioning, size and structure depending on the actual conditions of the basement can be modified.

Once connected to a ventilation duct and the urban irrigation pipe system, the system provide the essential needs to the trees.
This revolutionary new technology also promotes water availability through sufficient drainage and directs roots to grow in the desired direction without impacting sidewalks and infrastructure.

The system also eliminates pavement subsidence and reduces root damage.
Caroline Haïat
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