Air up your life! (english)

In many buildings, it is not possible to open the windows and let some air in – and it would be hardly of any use since the pollutants of building materials are emitted constantly. In fact, the one and only sustainable and efficient remedy is: the plant. Plants purify the air – this has become common knowledge. But how and with what? NASA discovered that this, for us vital process, is happening up to 90% in the roots of plants. The requirement for this to happen is to aerate the plant’s roots. In other word