The starting points for this thesis are three contemporary societal trends. One is that information and communica­tion technologies (ICT) and especially mobile phones are widespread and in use all around the world through all societal layers. At the same time, urbanization in the world is increasing, with already half of the world’s popu­lation living in cities. Finally, with an increasing popula­tion, resource depletion, climate change and other envi­ronmental problems, a sustainability approach is needed.

This report explores the possibilities that existing ICT can bring for sustainability in the urban context. Focus is on end-users, identifying applications for increasing personal environmental awareness and for dematerial­ization of products and services. The applications were then put into the context of our chosen target group; ur­ban China and Latin America, studying their potential. Personas and scenarios were used to acquire a better understanding of our target group and the usability of our applications.

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