Air-purifying plants from Air So Pure improve learning and working conditions On 6 October 2011, the Plants in the Classroom report was presented to the Dutch press and trade colleagues. The Plants in the Classroom study was carried out on the initiative of Air So Pure and was made possible by financial support from the Productschap Tuinbouw (the Horticulture Marketing Board). The results show that the plants purify the air and reduce the number of health-related issues. In addition, they help to improve the learning performance of the pupils. Read more