Received: 22 May 2020
Accepted: 11 August 2020
First Online: 16 October 2020
Ethics approval and consent to participate
: Permission to review this work by an ethics committee is granted.
: A publication of this work is approved.
: <i>“.. as the responsible member of the Federal Environment Agency, I welcome and support constructive discussions about the TA Luft expansion model”</i>, is how Trukenmüller (CitationRef removed) writes. The UBA will invite to a nationwide congress on the topic “Invite modeling and calculation of the spread of air pollutants”. Until then you will spread silence rather than information.