Episodes

  • The climber who conquered the world’s toughest peaks — without extra oxygen

    The climber who conquered the world’s toughest peaks — without extra oxygen
    Dec 3 2024
    From Everest to Annapurna, Ed Viesturs has summited the world’s highest mountains without supplemental oxygen. Now he joins Alex Honnold for a conversation about the meaning of climbing in the face of climate change.
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    30 mins
  • Steve Boyes returns to tell how he’s finding hope on the rivers of Africa

    Steve Boyes returns to tell how he’s finding hope on the rivers of Africa
    Nov 14 2024
    The Great Spine of Africa expeditions are an unprecedented survey of Africa’s rivers. Biologist Steve Boyes and his team are paddling 40,000 kilometers in dugout canoes to gather groundbreaking data on some of the world’s least-explored waterways.
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    12 mins
  • What one explorer has learned in a lifetime on the poles

    What one explorer has learned in a lifetime on the poles
    Oct 31 2024
    The first woman to solo ski across Antarctica, Felicity Aston knows better than anyone how to survive on the ice. Now she tells Alex Honnold how her latest expedition unlocked new truths about climate change in the Arctic.
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    26 mins
  • To save the Amazon, an explorer studies dolphins

    To save the Amazon, an explorer studies dolphins
    Oct 3 2024
    The Amazon is the world’s strongest barrier against climate change — and few of its creatures are more important than the beautiful pink river dolphin. 2024 Rolex National Geographic Explorer of the Year Fernando Trujillo joins Alex Honnold to discuss a lifetime protecting this vital mammal.
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    24 mins
  • The secrets of a uniquely vibrant reef

    The secrets of a uniquely vibrant reef
    Sep 5 2024
    Marine biologist Ben Fitzpatrick has spent decades protecting the coastlines and coral reefs of Western Australia. Today he joins Alex Honnold to talk about his ongoing work to conserve one of the ocean’s most precious habitats.
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    19 mins
  • Conservationists return with a message of hope

    Conservationists return with a message of hope
    Aug 22 2024
    Wildlife photographers Cristina Mittermeier and Paul Nicklen tell Alex Honnold how they’re using storytelling to inspire a new generation of conservationists.
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    12 mins
  • To ease thirst, she pulls water from the air

    To ease thirst, she pulls water from the air
    Aug 8 2024
    When her country was stricken by drought, Kenyan entrepreneur Beth Koigi developed a machine that uses condensation to produce water. She tells Alex Honnold how this technology can reduce water scarcity around the globe.
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    17 mins
  • “Her Deepness” returns to discuss the future of the sea

    “Her Deepness” returns to discuss the future of the sea
    Jul 25 2024
    Since she last spoke to Alex Honnold in 2021, legendary explorer Sylvia Earle has made great progress in her efforts to protect 30% of the world’s oceans by 2030. Now she’s back to explain how Mission Blue’s Hope Spots provide safe haven for sea creatures worldwide.
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    12 mins