It's a summary of ideas and examples how design can influence social change and support bringing new quality of life to developing countries. Designers have powerful tools in their hands. It's a matter of attitude how those tools are being used. There are some videos at the end of the ppt that illustrate simple yet meaningful and impactful solutions to vital social and environmental problems.
I used web resources: kickstart.org, design21sdn.com, mammu.lv etc. Thanks to Fionn Dobin from MAMMU for inspiration. Here is another great example of design for change: http://blog.ted.com/2012/10/15/new-exhibit-explores-design-for-the-public-good/