… and meta-data offered by the UBA are available free of charge for online use and downloading ( Gesetz über den Zugang zu digitalen Geodaten ). The use of … of a task in the public interest or in the exercise of official authority conferred on the controller; for reasons of public interest in the field of public … and meta-data offered by the UBA are available free of charge for online use and downloading ( Gesetz über den Zugang zu digitalen Geodaten ). The use of …