Climate Action

Why the world needs another trillion trees. This week's House on Fire podcast 

An aurora is seen in the sky in Rovaniemi, Finland February 6, 2020. Picture taken February 6, 2020. REUTERS/Alexander Kuznetsov     TPX IMAGES OF THE DAY - RC2OVE9GGSCJ

The third episode of House on Fire looks at the One Trillion Trees initiative and its goal to slow climate change. Image: REUTERS/Alexander Kuznetsov

James Bray
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One Trillion Trees

  • Episode 3 looks in depth at the case for growing one trillion trees and how it might be accomplished.
  • Other episodes focus on ocean plastic, deforestation, blue finance, direct air capture, alternative meats and more.
  • Subscribe to House on Fire on Apple, Spotify, Acast and more.
  • You can find more World Economic Forum podcasts here.

The third episode of House on Fire explores the One Trillion Trees initiative to grow and conserve a trillion trees on Earth to counter the effects of climate change. Where did this goal originate? Can it really save the planet and where could it go wrong?

To answer these questions we talk to Tom Crowther, a scientist whose work did much to inspire the creation of the Trillion Trees platform. He explains how his team reached its conclusions, as well as some of the limitations of the work.


We also speak to restoration ecologist Karen Holl and environmental resource professor Forrest Fleischman about the charge that planting trees a distraction from more important decarbonization goals. They explain how the movement can successfully sequester harmful carbon dioxide from the atmosphere, based on decades of experience of restoring trees.

We’ll also have a response from Justin Adams, one of the co-directors of the One Trillion Trees platform, as well as testimony from Pedro Brancalion, vice-coordinator of the Atlantic Forest Pact, one of the world’s most significant restoration initiatives. He tells us about the projects that have helped reforest vast areas of his homeland, Brazil.


Subscribe to House on Fire on Apple, Spotify, Acast and more.

Listen to our sister podcasts World Vs Virus, about the global pandemic, and The Great Reset, on the efforts to "build back better" here.

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Climate ActionNature and Biodiversity
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