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