Planet Visionaries

About Planet Visionaries

For generations, Rolex has supported pioneers who push the boundaries of human endeavour. Today, that legacy continues with a commitment to a new kind of exploration: safeguarding our planet’s future. In partnership with the Rolex Perpetual Planet Initiative, Planet Visionaries is the landmark series hosted by world-renowned climber and founder of the Honnold Foundation, Alex Honnold. This isn’t a podcast about problems; it’s a podcast about solutions. From rewilding entire landscapes to turning the tide on ocean pollution, we highlight the work of those who are reshaping what’s possible. Featuring intimate conversations with National Geographic Explorer Steve Boyes, chemical biologist Rosa Vásquez Espinoza, broadcaster Bertie Gregory and CEO of the National Geographic Society Jill Tiefenthaler. Planet Visionaries is an inspiring testament to human ingenuity in the face of immense challenges. Join us to hear how a new generation of visionaries is building a healthier, more sustainable world for us all. Planet Visionaries is a podcast in partnership with the Rolex Perpetual Planet Initiative, and a Sony Music Podcasts production.

Publisher

A podcast in partnership with The Rolex Perpetual Planet Initiative

Category

science · society & culture

Language

en

Explicit

No

First episode

15 Jun 2021

Latest episode

13 Oct 2026

Latest episodes

19 of 63 episodes have a transcript.

1. 

   13 Oct 2026TRANSCRIPT

   Planet Visionaries – Ep 3: Reviving New York Harbor with Pete Malinowski

   Host Alex Honnold interviews Pete Malinowski, President and CEO of the Billion Oyster Project, about restoring one billion oysters to New York Harbor by 2035.

2. 

   6 Oct 2026TRANSCRIPT

   Planet Visionaries – Ep 2: Power to the People with Honnold Foundation’s Emily Teitsworth

   Host Alex Honnold interviews Emily Teitsworth, Executive Director of the Honnold Foundation, about expanding global access to renewable energy through community-scale solar power.

3. 

   22 Sept 2026TRANSCRIPT

   Planet Visionaries – Ep 01: Exploring the Amazon’s Hidden Worlds with Tom Peschak

   Host Alex Honnold interviews National Geographic Explorer Tom Peschak about his immersive Amazon expedition, revealing the rainforest's unseen wonders and conservation challenges.

Inside a recent episode

Planet Visionaries – Ep 3: Reviving New York Harbor with Pete Malinowski

Published 13 Oct 2026 · Transcript excerpt

[…] And oysters are an estuarine species. That's their natural habitat. What's the difference between an estuary and a tropical reef? Right. Estuaries are where rivers meet the sea. So there are tropical estuaries, mangroves and other things. But temperate estuaries like New York Harbor are... incredibly important for filling the oceans with fish and is that because the the nutrients from a river are coming down and meeting the ocean and that's like where life teams totally it's the it's the nutrients coming down the river and it also happens to be you know the western north atlantic is historically one of the most productive fisheries in the world so you have historically is an important word there you have this estuary this huge estuary right in the center of this really productive part of the ocean so you have those two things working together Okay, so then tell me how oysters fit into that. […]

Who has been a guest on Planet Visionaries

Names identified in recent episode analyses. Showing up to five guests.

• Pete Malinowski
• Emily Teitsworth
• Tom Peschak
• Miranda Wang
• Kris Tompkins

Reach and audience

Public platform figures. Ratings count people who left a rating, not total listeners.

Apple Podcasts (US)

4.1 / 5

177 ratings

Spotify

5.0 / 5

83 ratings

Contact Planet Visionaries

Guest appearances

Books guests

Based on episode analysis; this does not confirm that the show is currently accepting guests.

Shows with a similar audience

• 

  Science Friday

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  Radiolab

• 

  The Wild with Chris Morgan

• 

  Outside/In

• 

  Hidden Brain

• 

  Freakonomics Radio

Questions about Planet Visionaries