Featured interview: WCS President Monica Medina

Today is "world ocean day." Around the world, our waters house most of the world's biodiversity, are the main source of protein to more than a billion people and will provide employment to 40 million people in ocean-based industries by 2030. Joining Julia to discuss is new World Conservation Society President Monica Medina.  Also on today's show: Supergoop founder Holly Thaggard.  To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices