Earth's Tipping Points & Abrupt Climate Change
Climate researcher and host of "PBS\u2019s Earth: The Operators\u2019 Manual" Richard Alley discusses rapid changes in Earth\u2019s climate through history and how this relates to our impacts today. Does the Earth\u2019s climate have dials, or switches? Season 3, Episode 8\nLearn more about your ad choices. Visit megaphone.fm/adchoices