Ghana’s Volta River delta is an area vulnerable to climate change, with rising seas and increasingly powerful storms driving flooding and erosion, leaving authorities there questioning whether the best response involves solutions such as sea walls or migration. A group of researchers is using drones to help provide answers. Part of an ongoing series of stories about innovative projects in the developing world, a partnership between the International Development Research Centre and Canadian Geographic.

Visit the Charting Change website to read Drones on the delta.