Responsible for the contents of the website:

Prof. Dr. Jörg Wolff
Mail: wolff(at)


Editor of the website:

Dipl. Env. Scientist Christian Aden
IBU - Applied Geography and Environmental Planning
Ammerländer Heerstraße 114-118
26129 Oldenburg

Contents of the website

The IBU Institute accepts no responsibility whatsoever for the topicality, correctness, completeness or quality of the information presented. Liability claims against the institute based on material or intellectual damages caused by the use or non-use of the presented information, or through the use of erroneous and incomplete information, are categorically excluded insofar as no demonstrable deliberate or grossly negligible liability on the part of the institute can be proved. All website contents are subject to change without notice and without liability. The institute expressly retains the right to alter, add to, delete or to withdraw parts of the website or the total website for a period of time or irrevocably without special notice.

References and links

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This disclaimer is to be seen as part of the website mentioned. Insofar as parts or individual formulations in these statements should not, or no longer or not completely meet the requirements of existing legislation the remaining parts of the documents are unaffected by this as far as their content and validity are concerned.