Lease rental charges UN Campus Bonn Mietkosten UN Campus Bonn ​Lease rental charges UN Campus Bonn for UN organisations based in Bonn (mainly with focus on the environment like UNFCCC), (only ODA-eligible share of expenses) ​Mietkosten für Gebäude der in Bonn angesiedelten VN Organisationen (überwiegend Schwerpunkt Umweltbereich wie UNFCCC) - VN Campus Bonn (nur ODA-Anteil).