Satellite image and analysis of damage caused by Tropical Cyclone Evan in Samoa. Credit: UNITAR-UNOSAT With crisis mapping’s increasing profile, other organizations have joined the fray. Just this…

Dana Rawls |

Haiti map after the 2010 earthquake. Over 450 OpenStreetMap volunteers from an estimated 29 countries digitized roads, landmarks and buildings to assist with disaster response and reconstruction.…

Dana Rawls |

Madagascar is big—it’s the fourth largest island in the world, more than twice as big as the United Kingdom. Madagascar’s size, its tropical climate, dense forests and steep hills, combined with a…

Charles Hurpy |

A waste collection site in Dar es Salaam,   Tanzania. Photo: Cecilia Paradi-Guilford Plastic waste, in particular PET, which is typically found in soda bottles, is becoming abundant in African…

Cecilia Paradi-Guilford, Scott Henry |