Marine biologists and oceanographer discuss saving the oceans by conservation efforts, sustainable practices, challenges in ocean biodiversity, impact of human activities on whale populations, and the urgent need for protecting marine ecosystems for the future.

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. Guests include marine biologists Asha de Vos, Ayana Elizabeth Johnson, and Alasdair Harris, and oceanographer Sylvia Earle.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy