From the air to the ground, innovations in science and technology are helping scientists explore an ecosystem of rivers that supply water to the Okavango Delta in Botswana. // Through a five-year partnership, debeersofficial has joined National Geographic to help protect the source waters of the Okavango Delta, which are a lifeline for endangered species and more than a million people. #OkavangoEternal on.natgeo.com/protectingtheokavango