The 5th International Symposium on Information Technologies in Environmental Engineering ITEE 2011 will be held in Poznan, Poland from 6-8July 2011. Recent success stories and new ideas  in ecoinformatics, sustainable development, interdisciplinary approaches, where computing science offers the infrastructure for environmental data collection and management, scientific simulations, decision support and reporting will be discussed among computer scientists, environmental engineers, economists and social scientists, demonstrating new paradigms for problem solving and decision making.

Following a peer-review, accepted papers will be included in an edited book published by Springer-Verlag.