The EnviroInfo 2014 is the 28th edition of the long standing and established international and interdisciplinary conference series on leading environmental information and communication technologies. Combining and shaping international activities in the field of applied informatics and environmental informatics in making the world a better place for living, the EnviroInfo conference series aims at presenting and discussing the latest state-of-the-art development on ICT and environmental related fields. Under the supervision of the Carl von Ossietzky University Oldenburg, the 28th EnviroInfo conference discusses the special topics of ICT for energy efficiency as main conference theme as well as the whole range of cross-cutting topics in ICT and environmental sciences. As the EnviroInfo conference series strengthens the interdisciplinary activities in the fields of sustainable development, participants from industry, higher education and research Institutes have been invited to exchange ideas and solutions for current and future problems. engl.