Episode Synopsis "To preserve the Andes, he’s planted millions of trees"

Biologist Constantino Aucca Chutas has spent two decades coordinating a continent-wide tree planting effort in South America. He joins Alex Honnold to explain how he’s preserving this magnificent landscape using one very special tree.

Listen "To preserve the Andes, he’s planted millions of trees"

More episodes of the podcast Planet Visionaries

• The climber who conquered the world’s toughest peaks — without extra oxygen
• Steve Boyes returns to tell how he’s finding hope on the rivers of Africa
• What one explorer has learned in a lifetime on the poles
• To save the Amazon, an explorer studies dolphins
• The secrets of a uniquely vibrant reef
• Conservationists return with a message of hope
• To ease thirst, she pulls water from the air
• “Her Deepness” returns to discuss the future of the sea
• To preserve the Andes, he’s planted millions of trees
• Using tradition to make clothing sustainably
• Season 4 Trailer
• How protecting bats protects the planet (and us)
• A promising new discovery in the Amazon
• Finding life under Arctic ice
• What ice might reveal about our climate future
• Why the Mediterranean needs more protection
• Live episode: Revolutionizing how we preserve the world underwater
• A powerful new tool for protecting the ocean
• Bringing ecosystems back to life
• A new key to climate resilience
• Season 3 Trailer
• Putting Indigenous expertise on the map
• Engineering an end to ‘hidden hunger’
• The small town taking on climate change
• What are ‘deep' reefs’?
• Exploring Earth’s underground secrets
• Diving to Chile’s hidden depths
• Meet Africa’s “Father of Turtles”
• How one man is saving hundreds of species
• Two pioneers talk bold new solutions to wildlife conservation
• Season 2 Trailer
• The scientist turning plastics into possibility
• Using sound technology to protect the rainforest
• A glaciologist's unexpected discovery
• Peru's protector of the seas
• The man who predicts eruptions
• The penguin protector
• The ocean explorer turned environmentalist
• Planet Visionaries Trailer