(Conversation recorded on September 25th, 2024)

The Amazon Rainforest is one of the Earth's most vital systems, playing a key role in maintaining the balance and stability of our climate. Yet this extraordinary ecosystem, which influences global rainfall patterns and regulates temperatures, is increasingly threatened by human activity. What is the current status of the ancient Amazon Rainforest, and how could its trajectory shape the entire planet for thousands of years to come?

In today’s episode, Nate speaks with Earth scientist Carlos Nobre to explore the critical challenges facing the Amazon. They delve into the rainforest’s unique ecological dynamics, the devastating impact of deforestation and wildfires on its ability to function, and how the health of the Amazon directly influences the climate of the entire world.

In what ways does the astounding biodiversity of the Amazon play critical roles in its resilience, and how is that biodiversity being put at risk? How could a system that has sustained its own water cycles for millions of years suddenly tip into a self-drying savanna? Finally, what actions should countries – beyond the Amazonia region itself – take to support the conservation and restoration of the world’s largest rainforest and the people that call it home?

About Carlos Nobre:

Carlos A. Nobre is an Earth Scientist from Brazil, currently associated with the University of

São Paulo. He is also the co-chair of the Science Panel for the Amazon-SPA. He obtained his PhD in Meteorology at MIT. Nobre's work mostly focuses on the Amazon and its impact on the Earth System. He chaired the Large-Scale Biosphere-Atmosphere Experiment in Amazonia (LBA). He is a foreign member of the US National Academy of Sciences and the Royal Society, and member of the Brazilian Academy of Sciences and the World Academy of Sciences. He was awarded several prizes including the Volvo Environmental Prize, the AAAS Science Diplomacy Award and AAAS Fellow Award. He also developed the Amazonia 4.0 initiative, an innovative project to demonstrate the feasibility of a new socio-bioeconomy of standing forests and flowing rivers in the Amazon.

Show Notes and More

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Carbon Sink to Carbon Source? How the Amazon Rainforest Could Become a Self-Drying Savanna | Carlos Nobre | TGS 150