Podcast:TED Radio Hour Published On: Fri Dec 02 2022 Description: Original broadcast date: June 25, 2021. For centuries, humans have relied on the oceans for resources and food... but even the deepest sea has its limits. This hour, TED speakers discuss how we can save our seas to save our planet.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy