In developed countries, we often take for granted that Google Maps has plotted out every street and every corner of our surroundings, thanks to satellite photography and GPS. Surprisingly, many of the world’s largest cities in developing countries remain uncharted. The Missing Maps project is filling these gaps in the unmapped corners of this world.

The International Conference of Crisis Mappers gets underway tomorrow in New York City, offering those active in the field the opportunity to explore some of the local crisis mapping initiatives including some of the responses built following Hurricane Sandy in 2012.