It seems apposite that the six finalists in the $10 million XPRIZE Rainforest, unveiled in Kigali, Rwanda in July, all use drones in some way in their ideas about how to develop new biodiversity assessment technologies that improve our understanding of rainforest ecosystems.  

Because it was Rwanda that led the way in using drones to improve health care for remote hospitals and patients – something that has been overshadowed by the use of drones in war that has grabbed the headlines more recently.