Glass factory from Hum na Sutli, Vetropack Straža, based their business on the principles of sustainable development. Accordingly, it is finalizing a major environmental project - filter for purifying flue gases. Raising the quality of air will round off the activities of the company in protecting the environment. With the opening of a new plant Vetropack Straža will fulfill obligations under the Accession agreement with the European Union. It will also achieve the emission limit value of waste gases.