University of Natural Resources and Life Sciences - BOKU - Institut für Landtechnik The University of Natural Resources and Life Sciences, the Alma Mater Viridis, perceives itself as a teaching and research centre for renewable resources, which are necessary for human life. Topics: Forestry and Wood Science, Water Management, Agriculture, Food Chemistry and Biotechnology, Natural Resources Management and Ecological Engineering, Landscape Design and Landscape Planning, Environment and Bio-Resources Management.