NASA had already researched the air-purifying effect of plants in the 1980s. One finding: The plant leaves collect pollutants, but the real work is done by the roots.
Then in 2018, the call from Houston: NASA congratulates the AIRY team on the successful product implementation based on the research results from 1989.
In the following, AIRY is presented on four pages in the NASA Yearbook 2019: 
Here is the link to the online article: https://spinoff.nasa.gov/Spinoff2019/cg_7.html
The author: Peer-Arne Böttcher
Peer is the founder of AIRY and passionate about the topic of healthy indoor air. For many years, he has been intensively engaged with the scientific foundations and technical possibilities of how our breathing air can be sustainably improved – completely without chemicals, filters, or electricity.
