This NBS uses a special substrate (mixture of urban by-products) to capture pollutants (NOx, PM, CO, benzene, toluene, etc.) form the air of underground parking without waste generation. This NBS uses rhizodegradation that takes place in soil to the process.
This NBS creates a lot of modifications in the environment.
The urban garden bio-filter get the recovery of the investment between the 20 and the 50 years