Earth's original inhabitants — and their role...

Is authoritarianism winning, or is democracy just failing to deliver? Communications strategist Sally Kohn lays out how democracy has evolved before and why it must evolve again, into what she calls "Democracy 3.0" — a version that finally shares power and opportunity equally. "W ...  Show more

Artist Joe Whale used to get in trouble for doodling in class, until a local restaurant let him cover an entire wall with his artwork … and the internet took notice. He traces his unlikely beginning to a bigger story: your imagination is a muscle, and it weakens when you hand it ...  Show more

Humans face an existential problem: feeding billions of people in a warming world. But there’s a ray of hope. And it all starts with microbes. For more information on this episode, visit nationalgeographic.com/overheard Want more? Microbes are everywhere! Learn about the bacteria ...  Show more

Ecosystem scientist Yadvinder Malhi takes us on a jaw-dropping journey through the hidden flows of energy that make life on Earth tick. From sun-soaked forests to tropical islands, he shows how his team measures the vibrancy of ecosystems across the world. This complex web of ene ...  Show more

On a rapidly changing planet, there are many ways to measure the health of an ecosystem. Can sound be one of them? Researcher Sarab Sethi explains how machine learning and soundscape recordings could be used to predict ecosystem health around the world.See pcm.adswizz.com for inf ...  Show more

If there’s one thing that connects all humans, it’s that everything we walk on, breathe, drink, and eat comes from the same source: planet Earth. From composting to cooking to taking climate action, today’s guests (including Chef Sean Sherman, comedian Jo Firestone, and activist ...  Show more