the multilateral youth exchange "CORI - sustainable development, environment & energy" will take place from August 15th until August 22nd in Riedau. 20 young people between 18 and 25 years from Spain, Romania, Latvia and Austria will deal with the theme sustainable development, environment & energy for one week. The program starts with the visit of a village which concern is to produce energy for their own needs. Further on diverse tasks involving the local community, dialogues about sustainability and environment and a final public presentation of the results.