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This April 2012 issue is on Mapping, enumerating and surveying informal settlements and cities. It includes case studies from Ghana, Kenya, India, Namibia, South Africa, Tanzania and Uganda of how the residents of informal settlements worked with grassroots leaders and local NGOs to map and survey their settlement. These discuss how this helped to develop better relations with local government and in some cases partnerships. Also included is an account of how community-based enumerations started in India, a discussion of the role of architects in community mapping and planning and a paper reviewing the environmental effects of informal urban expansion in Xalapa.

On climate change adaptation, there are papers on exploring ecosystem-based climate change adaptation in Durban, assessing flood protection measures in Dhaka and drawing in private finance to develop resilient cities

It also has papers on revisiting a rehabilitation programme, 10 years after the earthquake in Gujarat, the fragmentation of urban landscapes worldwide, socioeconomic characteristics of informal dwellers in South Africa, assessing the performance of constructed wetlands in Thailand, the transformation of “villages in the city” in Guangzhou (China) and migration and mobility in a rapidly changing small town in Ethiopia.