Join Sarah Spelsberg as she speaks with NASA experts John Haynes and Helena Chapman about how NASA's unique vantage point from space helps monitor and address global health challenges.

Discover how satellite data is being used to track everything from air pollution and urban heat islands to disease outbreaks and extreme weather events.

Please note: there is some 'clicking' sounds at the start of this session that we were unable to remove - we have edited as much as possible and the sound should be less apparent from about the 10 minute mark.