2011. Editors: Esteban Bisio and Domingo Pablo Risso Patron. Courtesy of Proyecto Rehabitar. In response to the deterioration of public housing in Argentina, Proyecto Rehabitar ("Rehabilitation Project"), led by architect Eduardo Bekinschtein, is implementing rehabilitation work in partnership with the housing secretary, municipal agencies, and community groups.

2011. Editor: Bas Hoefman. Courtesy of Text to Change. Text to Change partners with national governments, United Nations agencies, mobile-communication providers, for-profit companies, and NGOs to design free, accessible health, education, economic-development, and transparency programs that aim to effect change through customized information and services.

2011. Courtesy of SDI. Shack/Slum Dwellers International is pioneering a set of tools to build more inclusive cities through redevelopment and upgrades.

2011. Designer/Editor: Ms. Liz Granger. Courtesy: Technology for Tomorrow Ltd. Interlocking Stabilized Soil Blocks (ISSB), an affordable and environmentally sustainable alternative to fired bricks, are made from soil stabilized with 5% cement, compressed in manually operated machines, and dried in the sun.

2008. Designer/editor: frog. Courtesy of frog. South Africa has more HIV-positive citizens than any country in the world. Project Masiluleke (meaning "hope" and "warm counsel" in Zulu) uses mobile technology to raise awareness, encourage testing, and guide people into care.