Imagine a world without the fear of a climate disaster. Meet the innovators working to make a zero-carbon future possible. | Bill Gates

For 45 years, #Nightline’s cameras have captured history in real time. But what’s going on behind the scenes? Juju Chang, Byron Pitts and Ashan Singh closed out Nightline’s 45th Anniversary broadcast with a special look at the team who brings the show to life day in and day out. | Nightline