PBS News Weekend

In the Serengeti region of Tanzania, elephants routinely graze on farmers' crops, which can destroy their livelihood, but when those farmers try to protect their fields they can risk being trampled to death and sometimes kill the elephants in self-defense. A group of researchers is experimenting with a novel technique -- remote-controlled drones -- to reduce human-elephant conflict. NewsHour Weekend Special Correspondent Christopher Livesay traveled to Tanzania to see what's being done to protect both the elephants and the people who live among them.