The introduction of Charter Cities in the developing world could offer several benefits. Â In this piece, Brandon Fuller and I explore how such new cities will help individuals to protect themselves from new climate risks. Â In LDC cities today, IBM is selling “Command Centers” to urban mayors to help them track real time risks. Â In this other piece, I argue that localized Twitter searches are a more cost effective approach to aggregating and sharing information than IBM’s expensive “command and control” system. Â On the topic of coping with heat waves, Richard Green celebrates good design in India.